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If you're wondering what not to feed wild birds, our expert guide can help.
As with the related genus Barosaurus, the very long neck of Diplodocus is the source of much controversy among scientists. A 1992 Columbia University study of diplodocid neck structure indicated that the longest necks would have required a 1.6-ton heart – a tenth of the animal's body weight.
Diplodocoidea is a superfamily of sauropod dinosaurs, which included some of the longest animals of all time, including slender giants like Supersaurus, Diplodocus, Apatosaurus, and Amphicoelias. Most had very long necks and long, whip-like tails; however, one family (the dicraeosaurids ) are the only known sauropods to have re-evolved a short ...
Bird measurement or bird biometrics are approaches to quantify the size of birds in scientific studies. The variation in dimensions and weights across birds is one of the fundamental sources of diversity among birds, and even Within species, dimensions may vary across populations within species , between the sexes and depending on age and ...
The current population of wild kagus is about 250–1000 birds, and the species is the focus of a decades-long conservation effort. The kagu's initial decline was caused by subsistence hunting. The bird was trapped extensively for the European pet trade [5] and for museums and zoos until it was afforded protection. [14]
Tail wagging has long been associated with a pup's mood, but the fascinating -- and often telling -- things about the appendage don't stop there. Here are 10 things you didn't know about dogs' tails.
The bird is also known as the American mourning dove, the rain dove, the chueybird, colloquially as the turtle dove, and it was once known as the Carolina pigeon and Carolina turtledove. [2] It is one of the most abundant and widespread North American birds and a popular gamebird, with more than 20 million birds (up to 70 million in some years ...
One common dog quirk involves chasing their own tails. While many dogs do it when struck with a burst of playfulness, the reasons. Dogs are some of our oldest living companions, but they are not ...