SUMMARY: Not known to manufacture or use tools in the wild, a captive cockatoo demonstrates that parrots can make tools to suit their needs. If you’ve ever lived with […]
Tree Swallow brood sex ratios SUMMARY: Tree swallows reveal that brood sex ratios are an economic balancing act with far-reaching evolutionary consequences Skewed sex ratios have been widely discussed in […]
SUMMARY: This video takes you on a behind-the-scenes tour through the largest and most complete ornithology collection in the world. Natural history collections are important. These collections, usually maintained […]
Newly published research shows that crows remember the faces of humans who have threatened or harmed them, and these memories probably last for the bird’s lifetime. Not only do crows […]