The vampire bat might be nature’s purest super-villain. But it’s not the only flyer known to subsist off of the blood of its prey. Here are four birds that also practice "hematophagy." Hematophagy is ...

Don’t take the birds in your backyard for granted. Beyond eating bugs or invasive plant seeds, backyard birds provide people with joy and wonder, said Geoff LeBaron, Christmas Bird Count director for ...