Glue boards (also known as glue traps) might seem like a safe solution to ridding your home of uninvited guests of the crawling, flying or scurrying sort, but they are one of the cruelest.

Crows may be intelligent because, like us and other smart species, they are very social. The groups of crows in your backyard are extended families who share food and look out for each other. Some young crows help their parents care for younger siblings before breeding themselves. Crows work...