Articles on Ornithology

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Birds don’t fly across wide Amazonian rivers like the Rio Negro. Marcos Amend www.marcosamend.com (for use with this article only)

Bird DNA helps explain Amazonian rivers’ role in evolution

Rivers are natural boundaries for evolving populations. But scientists don't agree whether they create new species or just help maintain them. Research using birds' molecular clocks provides some answers.
A study of green-rumped parrotlets found that adopted chicks use the names given to them by their foster parents, suggested naming is learned rather than hard-wired. Flickr/barloventomagico

What’s my name? How wild parrots identify their young

Wild parrots name their chicks by teaching them an individual sound to identify them, researchers have found. Humans and…
A study of blue-footed boobies found that while siblings bully each other badly in the nest, the youngsters grow into adults with normal levels of aggression. Flickr

Sibling bullying doesn’t cause lasting wimpiness

Harsh sibling bullying maybe tough to endure as a youngster but victims won’t necessarily grow into cowed and meek adults…

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