what are known threats to blue jays
Not Necessarily a Bad Egg. Blue Jays are notorious for being a malicious beast in a pretty little bird body. Often called a thief and murderer, many people dislike the Blue Jay as it is known to eat the eggs and nestlings of other birds. However, according to the Cornell Lab of Ornithology, a study on Blue Jay feeding habits has shown that only 1% of jays had any evidence of eggs or young birds in their stomachs.