Getting blood out of a bird is not easy. For starters, you have to catch the bird. Then you have to find a vein the width of spaghetti. Despite those obstacles, workers from Harris County's ...

It’s likely that the remoteness and harshness of this locale are what has driven the birds to draw blood. Their prey is boobies and other large seabirds that may be 50 times the finches’ weight.

A large-scale study of 88 bird species reveals that some birds with high blood sugar levels show resistance to protein glycation, suggesting they have evolved mechanisms to avoid the harmful ...

Human blood is now on the menu. Wild vampire bats that were thought to exclusively feed on bird blood have been caught feeding on people for the first time, raising health concerns.

A large-scale study of 88 bird species reveals that some birds with high blood sugar levels show resistance to protein glycation, suggesting they have evolved mechanisms to avoid the harmful ...

Researchers at Lund University in Sweden have discovered that bird blood produces more heat in winter, when it is colder, than in autumn. The study is published in The FASEB Journal.