Sexual selection may result in bigger-billed male birds
(Phys.org) —To female coastal plain swamp sparrows, male bill size matters.
Museum bird DNA 'ready for use' in Naturalis Biodiversity Center
DNA barcoding is used as an effective tool for both the identification of known species and the discovery of new ones. The core idea of DNA barcoding is based on the fact that just a small portion of a single ...
Testosterone in male songbirds may enhance desire to sing but not song quality
For the male canary, the ability to sing a pitch-perfect song is critical to wooing female canaries. As the seasons change, so does song quality and frequency. The hormone testosterone plays a role in this changing song behavior.
Birds outsmart wasps to feed young
(Phys.org) —A species of bird found in Central and South America is able to supply its young with a steady diet of wasp larvae, evading stings from defending workers by using physical, not chemical tactics ...
'Be different or die' does not drive evolution
A new study has found that species living together are not forced to evolve differently to avoid competing with each other, challenging a theory that has held since Darwin's Origin of Species.
Chickless birds guard nests of relatives
(Phys.org) —New research has solved a mystery as to why some birds choose not to reproduce, and instead help to guard the nests of their close relatives. This occurs in about nine percent of all bird species.
Acrobatic birds aren't as energetic as they look
In research published this week in Proceedings of the Royal Society B scientists have found that the acrobatic courtship displays of male golden-collared manakins are less energetically costly than they a ...
Moa or less: Extinct 'robust' birds of New Zealand might not have been so robust after all
Giant moa bird (Dinornis robustus, literally meaning 'robust strange bird') may not have actually had robust bones, according to new research conducted by The University of Manchester. The leg bones of one ...
The evolution of plumage patterns in male and female birds
(Phys.org) —Research published today looks at the evolutionary pathways to differences in bird plumage patterns between males and females – and concludes that birds are able to adapt their appearance ...
New Zealand's kiwi probably started out an Aussie, study finds
In a finding likely to be a bitter blow for many New Zealanders, researchers have found the country's iconic kiwi bird probably descended from an ancestor that flew in from Australia.
Why making airport food less palatable may benefit passengers
Research scientists from Murdoch University are tackling the dangerous problem of aircraft 'bird strikes' with a new, leading-edge DNA-based technique.
Is your Budgie left-handed?
The short answer is no. Unlike people, Australian budgerigars do not have a dominant hand (or claw), scientists studying the brain and visual system have found.
Scientists test ideas in bird botulism outbreaks
Scientists are stepping up efforts to learn where and how many Great Lakes water birds are getting fatal food poisoning.
Researcher explores origins of intelligence by working with parrots
Griffin knows the names of a dozen objects. He can identify five colors and six shapes, and grasps his numbers up to eight. He can ask for his favorite treats and tell you where he'd like to go. And if he likes you, he'll ...