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You cannot stop me

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Hey weebs

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https://www.marinelife.org/seaturtles/rehab/turtlecam/

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Each year, thousands of hatchling sea turtles emerge from their nests on many of the world's sandy beaches and enter the ocean. Sadly, as few as one in 1,000 will survive into adulthood. The natural obstacles that young and adult sea turtles face are staggering.

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Passed into law with overwhelming bipartisan support in 1973, the Endangered Species Act (ESA) aspires to prevent extinction, recover imperiled plants and animals, and protect the ecosystems on which they depend.

Since then, the law has helped prevent the extinction of our nation's wildlife treasures, including beloved symbols of America such as the bald eagle, the Florida manatee and the California condor. Over 95 percent of species listed under the Act are still with us today and hundreds are on the path to recovery, which is an astonishing success rate.

This success is critically important in light of the impending extinction crisis, which affects not just wildlife but also humanity.

The Endangered Species Act provides added benefits to people by maintaining healthy natural systems that provide us with clean air and water, food, medicines and other products that we all need to live healthy lives. We owe it to our children and grandchildren to be good stewards of the environment and leave behind a legacy of protecting endangered species and the special places they call home.

Learn how the ESA works in our ESA 101 series! Watch all four videos to hear Megan Evansen, Conservation Science & Policy Analyst, quickly explain the Endangered Species Act and three of its important sections.

Implementing the Act

The Endangered Species Act applies to everyone, but two federal agencies, the U.S. Fish and Wildlife Service (FWS) and the National Marine Fisheries Service (NMFS), are responsible for the Act's implementation. These agencies are staffed with scientists and conservationists who are experts in what species need to survive and thrive. Their expertise guides ESA protections in several ways:

Listing
For a species to gain protection under the ESA, it first must be listed by regulation as either "threatened"-a species that is likely to become endangered in the foreseeable future-or "endangered"-a species that is now in danger of extinction. A proposal to list a species can arise from a petition submitted by the public or state agencies, or listing may be initiated by the Services.

Critical Habitat
When FWS or NMFS lists a species, it generally must also designate "critical habitat," which consists of specific areas with the physical and biological features essential for the species' conservation. Critical habitat may be occupied or unoccupied at the time of listing, which is essential because so many species have already been lost from significant portions of their range.

Recovery Plan
In addition to critical habitat designation, listing typically also requires the development of a plan that spells out the research and management actions necessary for recovery. Recovery plans specify which actions are needed, and where; the expected cost of recovery; and the expected timeline of recovery. This science-driven approach is the best way to ensure species are put on the path to long-term persistence and recovery.

Consultation
Each federal agency is required to use their authorities to conserve listed species. One way they do that is by ensuring that agency actions do not jeopardize the continued existence of these species or adversely modify or destroy their critical habitat. If a federal agency (the "action agency") proposes to authorize, fund or carry out an action that "may affect" a listed species or its critical habitat, it must consult with FWS/NMFS. (Activities on private land with no federal involvement do not require consultation.) After consultation, the Service issues a "biological opinion" stating whether or not the proposed action is likely to result in jeopardy or adverse modification. If the Service finds either impact likely to occur, it may propose modifications to the action to avoid violating the ESA. While the action agency can disagree and reject the Service's conclusion or recommendations, it does so at its own peril since the courts tend to defer to the wildlife expertise of the Service.

Prohibited Actions
Congress imposed strict statutory prohibitions on the "take" of endangered species but granted the secretaries of Interior and Commerce discretionary authority to apply these prohibitions to threatened species. "Take" includes activities such as harassing, harming and killing. "Harm" for a listed species is further defined by regulation to include significant habitat modification. While the ESA can shield listed species from significant harm, it does not directly mandate or compel private citizens to take positive conservation actions on behalf of these species. Non-federal landowners and managers can obtain a permit to "take" a listed species if that take is incidental to some other lawful activity, such as plowing a field, building a shopping mall, or issuing building permits. These incidental take permits are issued in conjunction with three different types of agreements:

1. Habitat Conservation Plans, which are designed to reconcile land use or development with listed species conservation;

2. Candidate Conservation Agreements with Assurances, which shield landowners who voluntarily manage their lands for the benefit of candidate species from additional land-use restrictions if the species is subsequently listed; and

3. Safe Harbor Agreements, for which landowners voluntarily agree to enhance the habitat of listed species on their properties and, in return, receive assurance they will not be required to take any additional conservation measures other than those to which they have already agreed.

Recovery
One goal of the ESA is to "recover" species to the point they no longer require the Act's protections and can be delisted. The ESA has been extremely successful in preventing extinctions and has been the ultimate stopgap measure for saving species in cases where the management policies of other federal agencies have contributed to the decline of the species. The status of many species is improving, but decades of underfunding have meant too many species continue are just holding on. Ultimately, properly funding the Endangered Species Act will ensure that it can live up to its full potential for saving species.

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Passed into law with overwhelming bipartisan support in 1973, the Endangered Species Act (ESA) aspires to prevent extinction, recover imperiled plants and animals, and protect the ecosystems on which they depend. Since then, the law has helped prevent the extinction of our nation's wildlife treasures, including beloved symbols of America such as the bald eagle, the Florida manatee and the California condor.

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This is a public service announcement about sea turtle conservation. Learn more at http://savetheoceanturtles.weebly.com/

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http://seaturtlestatus.org/learn/lifecycle

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https://app.discoveryeducation.com/learn/videos/f30fe821-66b0-4fad-bc89-1e9bf64023ea?hasLocalHost=false

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https://kidskonnect.com/animals/turtle/

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Sea Turtle Adaptations (Feeding, Camouflage...)

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Sea Turtle Adaptations (Feeding, Camouflage...)

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http://seaturtleexploration.com/explore-and-learn/sea-turtle-web-lessons/sea-turtle-adaptations/

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http://www.lindaconover.com/camouflage/turtles-sea.html

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Information About Sea Turtles: General Behavior

Sea turtles are generally solitary creatures that remain submerged for much of the time they are at sea, which makes them extremely difficult to study. They rarely interact with one another outside of courtship and mating. Ridleys, however, do come together in massive groups during nesting. But even when large numbers of turtles gather on feeding grounds or during migration, there is little behavioral exchange among individuals.

Because of the difficulty in studying marine turtles in the open ocean, there are a great many things still unknown about their behavior. Decades of research, however, including observations at sea, have produced useful insights into daily activities and behaviors such as courtship, mating and nesting.

Daily Activities

Sea turtles are known to feed and rest off and on during a typical day. During nesting season, research conducted in the southeast United States helped discovered that loggerheads follow regular patterns between the nesting beach itself and offshore reefs and other rocky structures. It is presumed that mating and/or feeding occurs at these offshore areas. When it is not nesting season, sea turtles may migrate hundreds or even thousands of miles. Sea turtles can sleep at the surface while in deep water or on the bottom wedged under rocks in nearshore waters. Many divers have seen green turtles sleeping under ledges in reefs and rocks. Hatchlings typically sleep floating on the surface, and they usually have their front flippers folded back over the top of their backs.

Courtship & Mating

Courtship and mating for most sea turtles are believed to occur during a limited "receptive" period prior to the female's first nesting emergence. Afterwards, only females come ashore to nest; males almost never return to land once they leave the sand of their natal beach. During mating season, males may court a female by nuzzling her head or by gently biting the back of her neck and rear flippers. If the female does not flee, the male attaches himself to the back of the female's shell by gripping her top shell with claws in his front flippers. He then folds his long tail under her shell to copulate.

Females observed on the nesting beach after recently mating often have scratched shells and may be bleeding from where the males' were hooked to their shells. Copulation can take place either on the surface or under water. Sometimes several males will compete for females and may even fight each other. Observers of sea turtle mating have reported very aggressive behavior by both the males and females. Females may mate with several males just prior to nesting season and store the sperm for several months. When she finally lays her eggs, they will have been fertilized by a variety of males. This behavior may help keep genetic diversity high in the population.

Nesting, Incubation and Emergence

Very little is known about why sea turtles nest on some beaches and not on others. In Florida, loggerheads nest by the thousands on the central east coast, while identical looking beaches to the north see far fewer loggerheads. This nesting distribution may reflect conditions that existed centuries ago, when temperature, beach profiles or the lack of predation made some areas preferable to sea turtles. Today, humans are affecting the places where sea turtles nest. Beach erosion caused by coastal armoring and navigational inlets, artificial lighting and beach renourishment are all impacting once pristine beaches. These changes will likely have lasting effects on future nesting patterns. The more we understand about how, where and when sea turtles nest, the better we will be able to protect their nesting habitat.

Beach Selection

Most females return faithfully to the same beach each time they are ready to nest. Not only do they appear on the same beach, they often emerge within a few hundred yards of where they last nested.

Nesting Behavior

Only the females nest, and it occurs most often at night. The female crawls out of the ocean, pausing frequently as if carefully scoping out her spot. Sometimes she will crawl out of the ocean, but for unknown reasons decide not to nest. This is a "false crawl," and it can happen naturally or be caused by artificial lighting or the presence of people on the beach. Most females nest at least twice during the nesting season, although individuals of some species may nest only once and others more than ten times. Sea turtles are generally slow and awkward on land, and nesting is exhausting work.

Constructing the Nest

The female turtle crawls to a dry part of the beach and begins to fling away loose sand with her flippers. She then constructs a "body pit" by digging with her flippers and rotating her body. After the body pit is complete, she digs an egg cavity using her cupped rear flippers as shovels. The egg cavity is shaped roughly like a tear drop and is usually tilted slightly.

Laying and Burying the Eggs

When the turtle has finished digging the egg chamber, she begins to lay eggs. Two or three eggs drop out at a time, with mucus being secreted throughout egg-laying. The average size of a clutch ranges from about 80 to 120 eggs, depending on the species. Because the eggs are flexible, they do not break as they fall into the chamber. This flexibility also allows both the female and the nest to hold more eggs. Nesting sea turtles appear to shed tears, but the turtle is just secreting salt that accumulates in her body. Many people believe that while laying her eggs a sea turtles goes into a trance from which she can not be disturbed.

This is not entirely true. A sea turtle is least likely to abandon nesting when she is laying her eggs, but some turtles will abort the process if they are harassed or feel they are in danger. For this reason, it is important that sea turtles are never disturbed during nesting. Once all the eggs are in the chamber, the mother turtle uses her rear flippers to push sand over the top of the egg cavity. Gradually, she packs the sand down over the top and then begins using her front flippers to refill the body pit and disguise the nest. By throwing sand in all directions, it is much harder for predators to find the eggs. After the nest is thoroughly concealed, the female crawls back to the sea to rest before nesting again later that season or before beginning her migration back to her feeding ground. Once a female has left her nest, she never returns to tend it.

Incubation

Incubation takes about 60 days, but since the temperature of the sand governs the speed at which the embryos develop, the hatching period can cover a broad range. Essentially, the hotter the sand surrounding the nest, the faster the embryos will develop. Cooler sand has a tendency to produce more males, with warmer sand producing a higher ratio of females.

Emerging from the Nest

Unlike baby alligators, which are liberated from their nest by their mother, sea turtle hatchlings must do it all themselves. To break open their shells, hatchlings use a temporary, sharp egg-tooth, called a "caruncle." The caruncle is an extension of the upper jaw that falls off soon after birth. Digging out of the nest is a group effort that can take several days. Hatchlings usually emerge from their nest at night or during a rainstorm when temperatures are cooler. Once they decide to burst out, they erupt from the nest cavity as a group. The little turtles orient themselves to the brightest horizon, and then dash toward the sea.

If they don't make it to the ocean quickly, many hatchlings will die of dehydration in the sun or be caught by predators like birds and crabs. Once in the water, they typically swim several miles off shore, where they are caught in currents and seaweed that may carry them for years before returning to nearshore waters. There are many obstacles for hatchlings in the open ocean. Sharks, big fish and circling birds all eat baby turtles, and they die after accidentally eating tar balls and plastic garbage. The obstacles are so numerous for baby turtles that only about one in 1,000 survives to adulthood.

Migration and Navigation Abilities

The ability of a sea turtle to migrate hundreds (and occasionally thousands) of miles from its feeding ground to its nesting beach is one of the most remarkable acts in the animal kingdom. That adult females return faithfully to nest on the very beach where they were born makes the feat even more amazing. Research into where and how sea turtles migrate has been a focus of scientists for decades. The information collected is vital to the development of conservation strategies for the species. We now know that sea turtles undergo migration throughout their lives, beginning with the first frenzied swim as a hatchling.

During its first critical 48 hours, a hatchling must travel from the beach to a place in the ocean where it is relatively safe from predators and where it can find food. Many hatchlings in the Atlantic and Caribbean make their way into Gulf stream currents, which are filled with floating sargassum weed. There the young turtles find an ample food supply and few predators. After several years of floating around the Atlantic, these young turtles are big enough to venture back into nearshore waters.

"Although all Florida loggerheads appear to spend a period of years within the North Atlantic gyre, different turtles probably do not follow precisely the same migratory route. In the diagram at left, the red lines indicate some possible migratory paths that different individuals may take. In addition, whereas most turtles appear to circle the gyre only once, some individuals may make more than one circuit, others may spend time in the Sargasso Sea, and a few have been captured in the Mediterranean." Reprinted from a study of the Orientation and Navigation of Hatchling Loggerhead Sea Turtles.

Sea turtles typically spend their juvenile years eating and growing in nearshore habitats. Once they reach adulthood and sexual maturity, it is believed that they migrate to a new feeding ground. It is in this primary feeding area where adult turtles probably remain throughout their lives, except during breeding season. When it is their time to mate and nest, both males and females leave their feeding grounds and migrate to the nesting beach. This periodic migration will continue throughout their lives.

Navigation

In the open ocean, sea turtles encounter strong currents; they have only modest vision, they can only raise their heads several inches out of the water, and there are often no visible landmarks. Even with these limitations, sea turtles regularly navigate long distances to find the same tiny stretch of nesting beach. How they do it is one of the greatest mysteries in the animal kingdom, and finding an answer has been the focus of generations of researchers. One promising new theory on how sea turtles navigate suggests that they can detect both the angle and intensity of the earth's magnetic field. Using these two characteristics, a sea turtle may be able to determine its latitude and longitude, enabling it to navigate virtually anywhere. Early experiments seem to prove that sea turtles have the ability to detect magnetic fields. Whether they actually use this ability to navigate is the next theory being investigated.

Studying Migration

The migratory nature of sea turtles creates a number of challenges for those working to fully understand and protect these creatures. In particular, to adequately protect sea turtles in all their habitats, we must know where these habitats are, how the turtles behave while there, and routes the turtles take to migrate back and forth. Most sea turtle research has been carried out on nesting beaches - and for very logical reasons. These areas are easier for researchers to access, and what occurs on the nesting beach (production of new sea turtles) is extremely important to the species' survival. Conservation efforts are also most easily directed at nesting beaches. However, of all the places where sea turtles travel throughout their life cycle, the least amount of time is spent on the nesting beach. Well over 90% of a sea turtle's life is spent in the water - feeding, mating, migrating and doing whatever else a sea turtle does when no one is watching. Consequently, the threats zaced by sea turtles in the ocean present the greatest challenges to conservationists.

To fully protect sea turtles throughout their range, more must be known about their migratory patterns and their behavior in the water. Several methods are used by researchers to determine where sea turtles move. One of the simplest methods involves placing a small, harmless metal tag on one of the turtle's flippers when she comes ashore to nest. Each tag includes a coded number and a message asking people to return the tag to a certain address if it is found. When people return a tag, they get a small reward and are asked where the turtle was encountered. In this way, researchers gradually learn about the many places to which turtles migrate. In the case of turtles nesting at Tortuguero, Costa Rica, tag returns make it clear that turtles nesting there disperse to feeding areas throughout the Caribbean. A large portion of them go to the Miskito Coast of Nicaragua. Efforts are now focused on limiting the number of turtles killed there for meat. The use of flipper tags has provided vital information, but it still leaves many questions unanswered.

Satellite Telemetry

Researchers have recently begun utilizing satellites to track sea turtles in the open ocean, see Sea Turtle Migration Tracking Education Program. First, a Sony Walkman-sized transmitter is attached to the back of an adult or juvenile sea turtle. The transmitter is glued directly to the turtle's carapace, behind the head, where the unit's small flexible antenna can break the surface to transmit whe n the turtle comes up to breathe. A passing Argos satellite receives the information and transmits it back to researchers on earth. After 8-10 months, the transmitter quits working and eventually falls safely off the turtle.

Using computer mapping programs, researchers can then see where the turtles migrate, what routes they travel and how fast they generally swim. If the map one is using has enough detail, it is also possible to determine the habitat characteristics at the turtle's location. After monitoring a number of turtles in a specific population, researchers gradually learn where that population's major feeding grounds are located and what threats they may be facing at sea. This information, of course, allows conservationists to focus efforts on the most important areas.

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Information About Sea Turtles: General Behavior - Sea Turtle Conservancy

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Sea turtles are generally solitary creatures that remain submerged for much of the time they are at sea, which makes them extremely difficult to study. They rarely interact with one another outside of courtship and mating. Ridleys, however, do come together in massive groups during nesting.

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http://www.ducksters.com/animals/vertebrates.php
http://www.biology4kids.com/files/vert_main.html-Vertebrates
http://www.biology4kids.com/files/invert_main.html-Invertebrates

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Youtube video