Behavior

The American Crow’s rattle call is uncommon, and researchers aren’t sure what it means. It could be a gathering call, a predator alarm, or a call between mates. But if you hear it, you might think it sounds like cackling laughter. However, no one has identified a crow noise that indicates…

In the UK for years, milk came in bottles with foil caps. Great Tits, a common songbird, learned how to peck through the foil. The skill spread. But how? Researchers trained Great Tits in different ways of opening a box and re-released them. Knowledge of how to open the box spread rapidly…

As it began to hail, Marlon Inniss saw several Canada Geese doing something odd. Rather than trying to shield their heads, the geese pointed their bills skyward, directly into the path of the hail. The geese were pointing the smallest surface area of their sensitive bills, the narrow tip…

In this episode of BirdNoir, the private eye gets a call from H. Jon Benjamin about unusual Wild Turkey behavior. A male turkey (known as a “tom”) won’t leave his car alone. He keeps tapping his beak on the car. Then the turkey starts circling the house and looking in all the windows. The…

On this episode of BirdNoir, the Mayor of Bricksville calls the Private Eye with a bit of a problem: “several dozen giant bird-punks loitering on top of City Hall!” The detective figures out the most likely reason why these birds have chosen the top of a building as their hangout, and…

While many shorebirds have gone south, tiny sandpipers called Sanderlings are easy to find on winter shores. They follow the waves as they lap in and out, probing the swirling sand for prey. They often eat various small crustaceans such as mole crabs, isopods, and amphipods. But they also…

Most raptors are solitary birds, but Harris’s Hawks of the southwestern U.S. live and hunt in groups of two to six. After spotting a prey animal, the hawks swoop in from various directions to catch the confused creature. If they miss and their prey takes cover, some of the birds try to…

The way that some birds flick, wag, or flare their tails can be distinctive. A flicking or flashing tail might suggest to a predator that a bird is particularly alert or hard to catch, while also warning others in the flock of danger. Tail flicking can also help flush out prey. A Hooded…

Many birds that play do it alone by swinging, sliding, or rolling around. Some species interact with objects, like dropping a stone and picking it up again. But a select few birds – like these crows – play with other members of their species. Scientists call this social play. It appears to…

When Dr. Kaeli Swift was in college, she became obsessed with the Corvid family of birds, which includes crows, ravens and jays. She decided to study whether crows learn to recognize certain human faces as friendly. She tried putting a mask on a mannequin holding peanuts, but the crows…