A previouslyextinct speciesof bird has re-evolved back into existence, according to a new study. The Aldabra rail first went extinct around 136,000 years ago. Now, it's reclaimed its home island. According toa study published Wednesdayin the Zoological Journal of the Linnean Society, a peer-...
Evolutionary ecologist and ornithologist Sahas Barve answers the internet's burning questions about birds. How do messenger pigeons know where to go? Why are geese so loud? How do owls turn their heads so far? What's the smartest bird in existence? Sahas
It is possible that all except the ostrich evolved in the absence of predators, although they have encountered them since; ostriches and rheas, living on open plains, can run at great speed. All have continued the bird habit of feeding on scattered food (fruit, seeds, flowers, shoots, and...
It seems that Archaeopteryx was not a strong flier, although it was no larger than a pigeon or a chicken. Its rather small size should have assisted flying, but all the fossils of Archaeopteryx, except one, lack the sternum of birds that evolved later. The sternum is the breastbone, a l...
While some birds of paradise perform alone, others, like Goldie’s birds of paradise, often perform together, creating an eye-catching performance that female birds find impossible to resist.These brilliantly colored birds of paradise have evolved (进化) over millions of years from ancient birds ...
It has been said, with some justification, that the struggle for existence is a struggle for free energy for doing physiological work. It can be said with equal justification for terrestrial organisms that the struggle for existence is a struggle to maintain an aqueous internal environment in ...
One such adaptation that has evolved in various… If Dinosaurs Returned, They’d Thrive in These Specific Habitats Have you ever thought about what it would be like if dinosaurs were still roaming the world? It is hard not… Meet the Most Social Animals Still Roaming the Planet Today ...
but for most of that time we lived fairly hidden lives in the shadow of dinosaurs. Dinosaurs dined on early mammals, and so in response most early mammals evolved to keep out of sight: living underground and only coming out at night. Our senses of smell, sight, hearing, and touch improve...
The fossil of an ancient bird found there, suggested that birds had teeth in the past. Today, scientists have confirmed(确认)that birds evolved form dinosaurs that were known for their sharp and pointed teeth. Until now, there has been no definite explanation of the significant evolutionary ...
It’s hard not to feel as if the wild places, such as they are, that we have left will soon be managed out of existence. But I will continue to visit and try to look for silver linings to these clouds. A desolate-looking segment on a hot, dry day. A few birds in flight, ...