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Doyle directs his publication not only to the general reader but to hopeless romantics seeking knowledge or advice about love.

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This short essay "Joyas Voladoras" was written in 2012 by Brian Doyle. This short essay is the opening essay in a set of essays he wrote called "One Long River of Song"

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There is no said reason why the author speaks or writes this but using context clues, it can be assumes that the author may be experiencing some kind of emotional turmoil. He might be running out of time with a loved one, or someone he loved has passed away or has left his life.

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In Joyas Voladoras, Doyle's purpose is to describe  humming bird hearts, blue whale hearts and human emotions in order to  assert that the faster a person moves through life, the less time one will have to cherish and treasure the love they receive and give.

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Doyle starts off with an educational tone and then ends with a sensitive tone. "His educational tone begins with Each one visits a thousand flowers a day." His educational tone primarily proves how credible he is, but it's also used to back up his main point displayed later in his short essay. Then he shifts to a sensitive tone with, "Perhaps we could not bear to be so naked, for fear of a constantly harrowed heart. When young we think there will come one person who will savor and sustain us always; when we are older we know this is the dream of a child, that all hearts finally are bruised and scarred, scored and torn," his sensitive tone compels the reader to relate to modern day society. The reader can relate this to modern day society because there are many factors in a lifetime that can take a toll on you heart.

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Doyle uses exemplification, when describing each animal and the physical characteristics of their hearts.  Although he elaborates scientifically on this topic, he also elaborates metaphorically. For example by stating, that the blue whales heart, "weighs more than seven tons. It’s as big as a room. It is a room, with four chambers" he implies the idea that the blue whales heart is symbolic of the intense love that builds up over time, resulting in a type of relationship in which two people are bonded for a lifetime.
Doyle uses cause and effect when he states, "if they do not soon find that which is sweet, their hearts grow cold, and they cease to be" , in order to compare the sweet nectar to love. This comparison further supports the idea that it's a necessity for humans to feel love, essentially for their well-being.
The author uses compare and contrast when creating a highly noticeable distinction between the whale and the humming birds heart, "The biggest heart in the world is inside the blue whale." "A hummingbird’s heart is the size of a pencil eraser". This contrast proves that various animals have various vulnerabilities when it comes to the health of their heart both physically and metaphorically.

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Canadian author Brian Doyle is famous for writing children's books and short stories. His writing is known for having a strong sense of location and attachment, reflecting on urban Ottawa, where he grew up. In Joyas Voladoras the reader can infer that Doyle is a passionate about love and life. The web states that his son Liam was born without a chamber in his heart which could of prompted this writing.

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Features (devices - figurative & syntactical, word choice, sentence structure)

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Features (devices - figurative & syntactical, word choice, sentence structure)

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Doyle uses metaphor in, "It’s expensive to fly. You burn out. You fry the machine. You melt the engine." This metaphor helps to illustrate the idea that life slowly takes a toll on your your heart. This relates to the main idea that our hearts have to go through many peaks and valleys throughout our lifetimes.
Doyle uses another metaphor, "So much held in a heart in a day, an hour, a moment"  to express the idea that life should be treasured, every single second of it.
Doyle compares adulthood and childhood in, "When young we think there will come one person who will savor and sustain us always; when we are older we know this is the dream of a child, that all hearts finally are bruised and scarred, scored and torn, repaired by time and will, patched by force of character..."(7). This metaphor promotes the idea that as a child, one dreams of being held close by someone else and to never be hurt by them. But that isn't the reality, as you age, your heart will inevitably be torn and scarred and it will only take time and wisdoms to heal it.
Doyle uses metaphor, "You can brick up your heart as stout and tight and hard and cold and impregnable as you possibly can and down it comes in an instant", in order to emphasize that no matter how protected you think you are from emotional distress, you are not.
Doyle uses anaphora in, "We open windows to each but we live alone in the house of the heart. Perhaps we must. Perhaps we could not bear to be so naked, for fear of a constantly harrowed heart. " This anaphora conveys that at the end of the day, we are all vulnerable to distress so it's important to only trust people who genuinely care about your well being.

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In his short essay "Joyas Voladoras" (2012) Brian Doyle emphasizes the need to cherish the time life has given you to love. Doyle supports his claim by comparing and contrasting different animals hearts and how they function.
Doyle's purpose is illustrate various animals hearts vulnerability and fragile components in order to assert that all humans have a distinct heart but serve the one commonality; to love.  The author employs a passionate relationship with those who seek emotional mentorship.

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Pathos- Doyle provokes sorrow and joy at the same time when describing the short but well-lived life of a hummingbird, "each the most amazing thing you have never seen, each thunderous wild heart the size of an infant’s fingernail". "The price of their ambition is a life closer to death; they suffer more heart attacks and aneurysms and ruptures than any other living creature." The quick change of tone of the author allows the reader to relate in a sense that their heart is like that of a hummingbird's. Their heart is fragile and susceptible to the environment whether it's emotionally or physically.
Logos- "The biggest heart in the world is inside the blue whale. It weighs more than seven tons."  "A hummingbird’s heart is the size of a pencil eraser." Doyle uses these facts to reinforce the notion that each animal has a unique heart, but with their heart, there comes a set of advantages and disadvantages.
Egos- The author is credible when he makes scientific references like, "They have more mitochondria in their heart muscles—anything to gulp more oxygen." These references make the author appear knowledgeable and help to reinforce Doyle's main idea.