There are an estimated 50 billion birds flying, walking and even swimming on planet Earth according to a study published in the Proceedings of the National Academy of Sciences. That number is divided ...

Anyone who has watched a rooster stalking around a farmyard might agree that there is something very dinosaur-like about birds. That may come as no surprise, given that birds are dinosaurs. But in ...

Birds and reptiles may not resemble humans in many ways, but they cry similar tears. The composition of human tears is well known, but until now, there was very little research into the composition ...

The platypus (Ornithorhynchus anatinus), sometimes called the duck-billed platypus is native to Eastern Australia and Tasmania. It is the sole-surviving member of its family (Ornithorhynchidae) and ...

The evolutionary origin of endothermy (the ability to maintain a warm body and higher energy levels than reptiles), currently believed to have originated separately in birds and mammals, could have ...

Footage shows shows the shoebill's precision strike to seemingly control the outcome. But is it real?