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Dec. 9, 2021 A study finds that there is a 50 percent chance that the common ancestor of birds and dinosaurs had bright colors on its skin, beaks and scales, but 0 percent chance that it had bright colors on its ...
Sep. 21, 2023 When Charles Darwin traveled to the Galapagos Islands almost 200 years ago as a gentleman naturalist, he used the power of observation to develop his theory that species evolve over ...
Nov. 23, 2022 The European robin's closest relatives are found in tropical Africa. The European robin is therefore not closely related to the Japanese robin, despite their close similarity in appearance. This ...
Oct. 25, 2023 Pair-bonded Java sparrows show enlarged eye rings to signal breeding ...
Mar. 14, 2024 We expect tropical animals to handle a certain degree of heat, but not wild swings in temperature. That seems to be true for tropical ectotherms, or 'cold-blooded' animals such as ...
June 30, 2021 Following habitat-destroying wildfires, researchers found many male red-backed fairywrens failed to molt into their ornamental plumage, making them less attractive to potential mates. They also had ...
Apr. 4, 2022 Deep in a Panamanian rain forest, bird populations have been quietly declining for 44 years. A new study shows a whopping 70% of understory bird species declined in the forest between 1977 and 2020. ...
Sep. 15, 2022 Bright, uniquely colored songbirds are at higher risk of extinction and more likely to be traded as pets. Researchers also predict that almost 500 additional bird species, most of them living in the ...
Feb. 24, 2022 New research uncovers the negative link between flight-worthiness and fight-worthiness in birds. Evolutionary pressure demanded that birds could either fly or arm themselves -- but not both. ...
Feb. 8, 2022 With a surface larger than all the continents together, the Pacific Ocean is the most extreme environment a migratory bird can encounter. Yet there are several bird species that conquer this enormous ...