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Jan. 7, 2021 —Three studies uncovered the unusual sex chromosomes of platypus, emu and Pekin duck. Platypus have five pairs of sex chromosomes forming an unusual chain shape, while the sex chromosomes of emu and ...
Mar. 24, 2021 —The largest flightless bird ever to live weighed in up to 600kg and had a whopping head about half a meter long - but its brain was squeezed for space. Dromornis stirtoni, the largest of the ...
Sep. 7, 2021 —Bird species across the globe are suffering and dying from a type of malaria and, while these strains are not infectious to humans, they're spreading quickly through global transmission ...
Feb. 17, 2021 —A study recently completed in Europe and North America indicates that the composition of wintering and breeding bird communities changes in line with global warming. However, wintering bird ...
Dec. 8, 2021 —For thousands of years, people have been keeping wild birds. It is often a deeply ingrained part of the culture. An examination of the scientific literature on this topic finds that bird-singing ...
Sep. 2, 2021 —Bird dispersal movements are thought to depend on complex demographic and genetic factors. Researchers show that there may be a simpler explanation: bird dispersal distances depend on the morphology ...
Feb. 3, 2021 —The world's largest bird, the ostrich, has problems reproducing when the temperature deviates by 5 degrees or more from the ideal temperature of 20 ...
Sep. 27, 2021 —As early as 18,000 years ago, humans in New Guinea may have collected cassowary eggs near maturity and then raised the birds to adulthood, according to an international team of scientists, who used ...
Dec. 3, 2020 —Bird species that have lost the ability to fly through evolution have become extinct more often than birds that have retained their ability to fly, according to new ...
Apr. 3, 2023 —An international research team has determined that Troodon, a dinosaur very close to modern birds, was a warm-blooded animal (an endotherm), but had a reproductive system similar to that of modern ...