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1. Saber Tooth Tiger (Smilodon)
2. Forests and shrubby grasslands.
3. The diet of the saber tooth tiger was practically anything it could hunt, being at the top of its food web in its ecosystems.
4. The molars formed shearing blades with no trace of grinding surfaces to cut through skin and other things covering the animals.
5. Global warming and hunting by humans.
6. About 10000 years ago.
7. Their canines can grow over 7 inches in length, and they can weigh between 160 and 300 kg while modern lions only weight from 130 to 190 kg.
Anthony Ladd

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1. Baiji White Dolphin

2. Natural habitat/world location:
The baiji was a freshwater dolphin that lived only in the yangtze river in china.

3. Diet and role in the ecosystem:
The diet of baiji consist of mainly, if not entirely, of fish  They use their long beaks to probe muddy bottoms for food. Their dives are short, lasting only 10-20 seconds.

4. Features/adaptations:
The baiji had a stocky body with broad, rounded flippers. The head was small with a prominent melon, a very long, narrow beak which was slightly upturned at the tip and a long mouth line.

5. Cause of extinction:
The likely cause of the baiji's decline is from the use of fishing nets with hooks that snag and drown the dolphins as bycatch  Other causes may include habitat
degradation.

6. Time of extinction:
They were pronounced extinct in 2007 following the failure of a dedicated 6-week expedition in 2006 to find a single one. There have been no confirmed baiji sightings since before 2006.

7. Interesting facts:

Scientists have placed the baiji in the family Platanistidae, the river dolphin family. ...

Baiji is a Chinese word meaning "a white dolphin." This species is one of the most endangered cetaceans in the world, with a population numbering in the tens or fewer.

Females are slightly larger than males.

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1. Common and scientific name name of animal: Lesser Bilby (Macrotis Leucura)
2. Natural habitat/world location: Lesser Bilbys can be found in woodlands, shrub grasslands, or deserts that have some form of vegetation in Australia.
3. Diet and role in the ecosystem: Lesser Bilbys are omnivores that feed on small insects, fruits, and seeds.
4. Features/adaptations: Bilbies have poor vision in sunlight because they have adapted to work at night.
5. Cause of extinction: Humans hunted them for their silky fur.
6. Time of extinction: Bilbies went extinct in the 1950s.
7. Interesting Facts: Bilbies are rabbit-sized marsupials. The males are almost twice the size as the females.
8. Ana Diaz

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1. Common and scientific name of the animal:

Tullimonstrum, colloquially also known as tully monster

2. Natural habitat/world location:

The tully monster lived in shallow tropical coastal waters of muddy estuaries

3. Diet and role in the ecosystem:

They attacked other marine animals such as jellyfish and shrimp and their role is not know due to not enough research

4. Features/adaptations:

It had a shovel-shaped tail a trunk-like snout tipped with a claw-like mouth, and eyes affixed to the ends of a rigid bar

5. Cause of extinction:

We don't know the exact reason they went extinct but scientists think it was ancient sharks biting off their trunks

6. Time of extinction:

Around 300 million years ago

7.  Interesting facts:

They were only about 1 foot long.

They are the state fossil of illinois

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Brodie P
1. Common and scientific name of the animal:Titanoboa

2. Natural habitat/world location:Northeastern Colombia

3. Diet and role in the ecosystem:They fed on fish only according to the anatomy.Tertiary Consumer.

4. Features/adaptations:Anatomy of skull teeth and palette are of a piscivorous animal.

5. Cause of extinction:Climate change

6. Time of extinction:60-58 million years ago

7.  Interesting facts:Could grow up to 5 times the size of an anaconda

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1. Common and scientific name of the animal: Steller's Sea Cow (Hydrodamalis gigas)

2. Natural habitat/world location: It lived mostly around islands in the Bering Sea, especially Bering Island. In earlier eras it might also have lived in the Pacific, ranging from Japan to California and Mexico.

3. Diet and role in the ecosystem: Steller's sea cows were considered obligate herbivores, which means that they got all of their nutrients from plant matter. They survived by grazing on canopy kelp that grew near the surface of the water. They would have changed the way other species in the system might have interacted, and increased the productivity of the kelp forests. Their consumption of the kelp's surface canopy would have allowed more sunlight to reach the understory, benefitting kelps growing below.

4. Features/adaptations: Steller's sea cow had a small head, large upper lip, mouth without teeth, two stout forelimbs, a huge body, and a flat, paddle-shaped tail. The extremely large size of Steller's sea cow functioned as an adaptation for survival in cool waters by providing the animal with a smaller ratio of surface area to volume than tropical sirenians, and the thick hide probably provided better insulation.

5. Cause of extinction:  Due to sailors and fur traders hunting it for meat and fat.

6. Time of extinction: 1768, less than three decades after they were first described, the Steller's sea cow was extinct.

7.  Interesting facts: The Sea Cow lived in cold, relatively shallow waters where there was plenty of kelp and seagrass. Sea Cows grew up to 30 feet in length. Steller's sea cow is named after George Stellar who discovered and described this species.

8. Your name: Kenley M.

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1. Common and scientific name of the animal:

Lekaneleo roskellyae

2. Natural habitat/world location:

ancient rainforest in the north-west highlands of Queensland

3. Diet and role in the ecosystem:

It ets and maintains the capacity of small rodents

4. Features/adaptations:

razor-sharp teeth that were capable of slicing through the bones of its prey.

5. Cause of extinction:

Temperature drops

6. Time of extinction:

23 million years ago

7.  Interesting facts:

It was the size of today's domesticated cats

8. Your name:

Haley Baker

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1. common name the great auk the scientific was the Pinguinus impennis
2. They lived in the artic ocean and up by Greenland and Russia
3. They ate small fish and zooplankton and they managed the small fish population
4. while the great auk was clumsy on land they were amazing swimmers they had a black back and head a white front and a big white spot between the eyes and bill
5. They were very defenseless and were killed by hunters for food and bait
6.the last one was killed on July 3 1844
7. they could hold their breath for up to 15 minutes and they were beacon like for sailors because when the great auk was near they signaled that the grand banks of newfoundland were near

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By Valentin

1. Common and scientific name of the animal:

Common name: Golden Toad. Scientific name: Incilius periglenes

2. Natural habitat/world location: A wet montane forest area, which was in Northern Costa Rica

3. Diet and role in the ecosystem: They were probably carnivores, so they probably ate small invertebrates. Role is unknown due to poor knowledge about their behavior.

4. Features/adaptations: The males had an orange color, while the females had a black color with scarlet blotches with yellow edges. Females had a length of 42-56 mm while males were 39-48 mm long.

5. Cause of extinction: Some people think global warming caused it, while others say it was a disease called “chytridiomycosis”. The extinction cause of the Golden Toad remains unsolved

6. Time of extinction: None were found in 1990. The last one was found in 1989.

7.  Interesting facts: They are part of the species called “True Toads”. They lived for a pretty good time, 10-12 years for their lifespan. They most lived underground and only came out when it was mating season

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1.Common and scientific name: Passenger pigeon(Ectopistes migratorius)
2.Natural habitat: Eastern Deciduous forests
3.Diet and role in the ecosystem:Primary consumer ate Beechnuts, acorns, and chestnuts.
4.Features and adaptations: Had small head, long tail, wings, and had breast muscles to fly for long distances. Large flocks created forest disturbances that allowed regeneration cycles to be put in motion.
5.Cause of extinction: Loss of habitat and hunting.
6.Time of extinction: september 1 1914
7.Interesting facts: The name "passenger pigeon" refers to the large flocks that flew across the skies. 100 pigeon nests could occupy a single tree.
8.Your name: Adren Harris

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1. Common and scientific name of the animal:

Common name: Pyrenean Ibex

Scientific name: Capra pyrenaica pyrenaica

2. Natural habitat/world location:

It lived in the Iberian Peninsula. It also lived in France, Portugal, Spain, and Andorra

3. Diet and role in the ecosystem:

It was a herbivore that ate mainly grasses and herbs.

4. Features/adaptations:

It had fur that adapted to the seasons, so it would be short in summer and long in winter. They also migrated because of the seasons. In spring they would go to elevated parts of the mountains, and in winter they would go to valleys that weren’t covered in snow. Males had large, thick horns that curved outwards and backwards. Females had short, cylindrical horns.

5. Cause of extinction:

Exact cause is unknown, but it’s believed to be because of poaching and the inability to compete with other mammals for food and habitat.

6. Time of extinction:

2000

7.  Interesting facts:

First ever species to become extinct twice. Scientists had cloned a Pyrenean Ibex, which made it the first species to become no longer extinct, but the baby died shortly after birth due to a lung problem.

8. Name:

Hannah W

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by: sanskriti kumar

1. Common and scientific name of the animal: Baiji white dolphin( Lipotes vexillifer)

2. Natural habitat/world location: The Yangtze River( located in china-  It rises at Jari Hill in the Tanggula Mountains and flows 6,300 km in a generally easterly direction to the East China Sea)

3. Diet and role in the ecosystem: "The diet of baiji consists of mainly, if not entirely, of fish. They use their long beaks to probe muddy bottoms for food. Their dives are short, lasting only 10-20 seconds. Baiji have poor eyesight but use a highly developed echolocation faculty to find food."

4. Features/adaptations: Baijis have a fusiform body with a small head, tiny eyes, prominent melon and a long, narrow beak that is slightly up-curved at the tip. The dorsal fin of the baiji is low and triangular and the flippers are broad and rounded.

5. Cause of extinction: The likely cause of the baiji's decline is from the use of fishing nets with hooks that snag and drown the dolphins as bycatch. Other causes may include habitat degradation.

6. Time of extinction: They were pronounced extinct in 2007

7. Interesting fact:

Baiji is a Chinese word meaning "a white dolphin." This species is one of the most endangered cetaceans in the world, with a population numbering in the tens or fewer.

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1. Scientific and Common name: Woolly Mammoth (Mammuthus primigenius)
2. Habitat: Woolly mammoths lived in the tundras of Asia.
3. Diet and role in ecosystem: Woolly mammoths usually fed on grass, and they were usually near the top of the food chain, only being hunted by early humans.
4. Features: Woolly mammoths were covered in fur, with an outer covering of long guard hairs and a shorter undercoat.
5. Cause of extinction: Global Climate. They weren't able to survive after the ice age.
6. Time of extinction: 4,000 Years ago
7.

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1. Common and scientific name of the animal: Smooth Handfish/Sympterichthys Unipennis

2. Natural habitat/world location: In the waters on the coast of Tasmania

3. Diet and role in the ecosystem: small shellfish, shrimp, and polychaete worms

4. Features/adaptations: they have fins on their stomachs to “walk” on the bottom of the ocean instead of swimming

5. Cause of extinction: climate change and the destruction of their habitats

6. Time of extinction: March 2020

7.  Interesting facts: It has really big eyes and “feet” that it uses to walk along the ocean floor.
-Mackenzie Brown

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1. Common and scientific name of the animal:

Brachiosaurus

Scientific name:brachiosaurus

2. Natural habitat/world location:

They lived in utah

3. Diet and role in the ecosystem:

They ate pants and they didnt eat meat

4. Features/adaptations:

Long neck and long tail for hitting things like taking trees down for food

5. Cause of extinction:

A meteor strike according to people

6. Time of extinction:

66 million years ago

7.  Interesting facts:

Long neck

8. Your name:

Jared P

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1. Common and scientific name of the animal:  Woolly Mammoth (Mammuthus primigenius)
2. Natural habitat/world location: The mammoth steppe, which stretched across northern Eurasia and North America.
3. Diet and role in the ecosystem: herbaceous or decayed plants, their waste fertilized all the plants in the places they lived in.
4. Features/adaptations: adapted for cold weather. They had thick skin and a heavy wool coat. 14 feet tall and had curved big tusks.
5. Cause of extinction: climate change
6. Time of extinction: nearly 4000 years ago
7.  Interesting facts: the ears of a woolly mammoth were shorter than a modern elephants. Mammoths used their tusks to dig and to rub bark from trees. They were not the only woolly animal, the woolly rhinoceros was also around. 
8. Your name: genesis 

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1. Common and scientific name of the animal:Tasmanian Tiger

2. Natural habitat/world location: Thylacines lived in Tasmania, New Guinea, and mainland Australia. They ranged over grasslands, wetlands, and dry eucalyptus forests.

3. Diet and role in the ecosystem:Tasmanian tigers were meat eaters. They hunted kangaroos, sheep and wallabies, reportedly, though there is little research into the eating habits of these animals. These animals could open their mouths almost 90 degrees, according to the Encyclopedia Britannica.

4. Features/adaptations:Its stomach was muscular with an ability to distend to allow the animal to eat large amounts of food at one time, probably an adaptation to compensate for long periods when hunting was unsuccessful and food scarce

5. Cause of extinction: asmania at the time of European settlement. However, excessive hunting, combined with factors such as habitat destruction and introduced disease, led to the rapid extinction of the species.

6. Time of extinction 1982:

7.  Interesting facts:The Tasmanian Tiger was the largest carnivorous marsupial in modern times.

8. Your name:colby storie

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By Sam
1. Common and scientific name of the animal: Dunkleosteus (Dinichthys)
2. Natural habitat/world location: Found in shallow waters of seas and oceans (Found in North america, Europe, Morocco)
3. Diet and role in the ecosystem: They eat fish, sharks, and even their own kind.  It was one of the most powerful of its time and it would distribute stuff through out the ocean.
4. Features/adaptations: The Dunkleosteus was stream and shark like so it could get through the waters easily.
5. Cause of extinction: The hagenburg event was the main cause because the oxygen levels dropped and they all died out.
6. Time of extinction: 382-358 million years ago.
7.Interesting facts: The Dunkleosteus has and amour plated head.

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1. Common and scientific name of the animal: Dimetrodon (same common and scientific name)
2. Natural habitat/world location: Found in Texas and Oklahoma, as well as parts of Canada and Europe
3. Diet and role in the ecosystem: Dimetrodon's were apex predators in the Cisuralian ecosystem, eating insects and other animals, such as pelycosaurs, which they are related to
4. Features/adaptations: The dimetrodon's sail allowed to control body temperature, warming up and cooling down whenever it felt like it.
5. Cause of extinction: Permian extinction
6. Time of extinction: 270-245 million years ago.
7. Interesting facts: The dimetrodon originally didn't have a tail. It evolved to have one over many years.
8. Your name: Mykyta M

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1. Common and scientific name of the animal: Wooly mammoth (Mammuthus primigenius)

2. Natural habitat/world location: They lived in the cold tundra of Asia,Europe,North america.

3. Diet and role in the ecosystem: They were herbivores and just ate grass for a diet.  Their role in their ecosystem was they ate around and distributed nutrients everywhere.

4. Features/adaptations: THey adapted to the cold weather of their habitat, so they had thick skin and a heavy coat.  They were taller and had curved upward husks to outstant their predators.

5. Cause of extinction: They went extinct because of climate change because it got warmer and the ice started to melt.

6. Time of extinction: They went extinct around 4,000 years ago.

7.  Interesting facts: You can tell the age of a wooly mammoth by the rings on its tucks.  They used their curved tusks to dig up the ground.

8. Your name: William P

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2. Natural habitat/world location:
Thylacines lived in Tasmania, New Guinea, and mainland Australia. They ranged over grasslands, wetlands, and dry eucalyptus forests.

3. Diet and role in the ecosystem:
Tasmanian tigers were meat eaters. They hunted kangaroos, sheep and wallabies, reportedly, though there is little research into the eating habits of these animals. These animals could open their mouths almost 90 degrees

4. Features/adaptations:
The Thylacine was exclusively carnivorous. Its stomach was muscular with an ability to distend to allow the animal to eat large amounts of food at one time, probably an adaptation to compensate for long periods when hunting was unsuccessful and food scarce

5. Cause of extinction:
While it is estimated there were around 5000 thylacines in Tasmania at the time of European settlement. However, excessive hunting, combined with factors such as habitat destruction and introduced disease, led to the rapid extinction of the species.

6. Time of extinction:
In 1986 it was declared that the Tasmanian Tiger had been extinct since 1936 after the last known individual had died in Hobart Zoo, Tasmania.

7.  Interesting facts:
-Some zoologists believe they are still alive due to droppings that were found but there have been no officially confirmed sightings.
-These creatures were very shy and avoided humans so were not dangerous to us.

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By Ms. Z
a. Common and scientific name of the animal: Dodo Bird (Raphus cucullatus)

2. Natural habitat/world location: Found in the forests of Mauritius (small island off the coast of Madagascar)

3. Diet and role in the ecosystem:  Herbivores consuming fallen fruits, nuts, seeds, bulbs, and roots.

4. Features/adaptations:  Dodo was a flightless bird who was related to a pigeon.  Gray and white in color with a yellowish beak.  With no predators they grew to be 20 kg!  Hooked beak allowed the bird to easily break up food.

5. Cause of extinction:  Humans:(  When sailors reached the island they were easily able to catch the dodo.  Having no predators on the island they had no fear of the sailors (big mistake).  The dodo became dinner.
6.  Time of extinction:  Last sighting of the bird was in 1652
7. Interesting facts:  After the extinction of the bird a tree called the tambalacoque or dodo tree.  The bird would eat the seeds which allowed the seeds to germinate.  Without the bird the trees also went extinct.