Predators of adult blue jays include falcons, owls and hawks while nestling blue jays may become prey to snakes, crows, squirrels, raccoons, cats, other blue jays and birds of prey. But not only are hawks not a threat—it seems they may actually protect hummingbirds from their predators, Mexican Jays. Blue Jays are disliked by many people for their aggressive ways, but they are far less aggressive than many other species. And here I liked the blue jays because they make a fuss when the hawks are around. I didn't know blue jays were so aggressive.I have been trying to protect the blue birds from wren and house sparrow attacks. The first theory is the mimicry serves as a warning to other jays about any lurking hawks. When a nest is in jeopardy, both blue jay parents sometimes unite to attack or chase off predators. You may have noticed that crows, jays and small birds mob mostly large, soaring hawks. But in many ways maybe it is a bit like us. With its incredible intelligence, it’s hard to imagine why the blue jay resorts to such nasty tactics. Ornithologists have a few theories of why blue jays mimic hawks, a group of birds the jays consider mortal enemies. Additionally, the blue jay may raid other birds… (“The hawk by weight is about 190 times the size of a hummingbird, so it’s basically the same reason that if you want to catch a fly, you don’t run after it,” said Greeney.) One premise is that the hawk sound is code for “Jinkies! Blue Jays can make a variety of sounds and it is common to hear them mimicking hawks, especially the Red-shouldered Hawk. Most birds are afraid of unfamiliar objects and events, because they might be dangerous. The blue jay prey… Here comes a hawk!” However, blue jays have also been known to attack or kill other smaller birds, and foliage-roosting bat species such as Eastern red bats. Large hawks are rarely quick enough to actually catch a small bird. Small hawks can easily catch songbirds and would love to have the little birds … They can also be loud and poop in and around your lawn or garden. A moment or two later, the jay showed itself briefly, as if to take a bow after its superb hawk performance, and then flew off. Blue Jays are also excellent mimics. Seldom do we see birds mobbing the smaller, quicker hawks. Though blue jays are beautiful birds and can be fun to watch, but they aren't always the best birds to have around the house and yard. Blue jays are no exception - they will exhibit both curiosity and apprehension. Birds that nest in close proximity to people; the northern mockingbird, American robin, gray catbird, and blue jay, are the most frequent assailants, and the mockingbird is without a doubt the most zealous—harassing, people, domestic animals, and other birds. They are bullies who may attack the nests of other birds and prey on the young. We humans certainly have our own mixed history consisting of incredible highs and dark lows. Ornithologists suggest they do this for one of two reasons, or perhaps both. Captive Blue Jays sometimes learn to imitate human speech and meowing cats. Fact 3 – Blue Jays mimic hawks. Blue jays can be extremely aggressive, especially when they have young chicks, and can dive bomb you, your kids and your pets. Jays are very territorial birds, and they will chase others from a feeder for an easier meal. Nearly all birds will display aggressive behavior when they perceive a threat to their nest or young. In the wild, they often mimic Red-shouldered and Red-tailed hawks, and sometimes other species. A few days ago a crow was stalking a robin nest and took a baby right from the parents.Quite sad to see.
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