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Every sperm is sacred

10,000 Birds

Because unlike those of mammals, avian ova need penetration by multiple sperm in order to successfully develop into baby birds. That’s the finding of researchers from the University of Sheffield in the UK, published in Proceedings of the Royal Society B. (If If you’re feeling particularly science-y, the full paper is here.).

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Just like in people, yawning is contagious in birds

10,000 Birds

Science is fairly well established that yawning can spread like wildfire among groups of humans, as well as a few other mammals. New research suggests that the phenomenon of contagious yawning can also be seen in birds. (Our first victim appears to be the Ring-billed Gull above, photographed by Corey.)

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Honey, I Shrunk The Dinosaurs!

10,000 Birds

There is a fantastic paper just out in Science : “Sustained miniaturization and anatomoical innovation in the dinosaurian anceestors of birds” by Michael Lee, Andrea Cau, Darren Naishe and Gareth Dyke. So, for example, humans are apes. The paper that just came out in science has the following spectacular conclusion.

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Birding Sepilok, Borneo (Part 2)

10,000 Birds

Fortunately for the honor of the species, the researchers found that kleptoparasitism was practiced at a low rate (4% of observations) while much more often, drongos captured insects disturbed by other species (41% of observations). In the unloved “Other” section of today’s post, we have a few more mammals.

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Great Tit Telomeres, Baby Talk, Brainy Birds

10,000 Birds

Third, which we already suspected, bird brains are adjusted to provide extra smartness in a way not seen in mammals. In humans, adults (probably mainly mothers) do this thing called “motherese” which is talking in a way one would normally not talk to another adult, to a baby. City Great Tit ( Parus major ) telomeres shortened.

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Flock to Marion

10,000 Birds

These two islands are about halfway between the tip of South Africa and Antarctica in the Subantarctic Indian Ocean, have had relatively few human visitors, and are primarily inhabited with some of the rarest seabirds in the world and a smaller number of mammals. Which makes it a haven for seabirds….and and seabirders.

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The Geladas of Ethiopia

10,000 Birds

However recent research has shown that they are in fact not baboons, despite superficial appearances, and they are now just called “Gelada”. they are the most terrestrial primate after humans. . they are the most terrestrial primate after humans. Photo by Adam Riley. Appearances are certainly deceiving when it comes to Geladas.

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