Quiz time! What do bluebirds, chickadees, titmice, wrens, and nuthatches have in common? If you answered that these birds are all cavity-nesters, give your self a gold star! Unlike most birds, these build their nests in old woodpecker holes, other natural tree cavities, and nest boxes (bird houses). But are cavities, which would seem to be very secure places to nest, safer than open nest sites? Why do so relatively few species nest in cavities? Only about 85 of 650 North American breeding birds use cavities. Here’s the hole story. It seems obvious that-compared to an open nest-a cavity should
Learn More →
LinkedIn
