Do you ever see flocks of birds in your yard that show up in droves one year, but are completely absent the next? Some nomadic species such as Pine Siskins move based on the availability of food and habitat. It’s called “irruptive” migration, and it sometimes leads to backyards full of…

The call of the Common Loon is a symbol of the far north. But the species once nested as far south as southern New England, Ohio, Iowa, and California. Human activity and changes to the landscape in these more populated areas has made it harder for loons to persist. There have been…

Consider finding a local conservation group that’s doing work that matters to you — beach cleanups, volunteer bird surveys, keeping local parks beautiful, or educating young people. If you’re short on time, donations, sharing posts on social media, and letting friends and family know about…

eBird, a project of the Cornell Lab of Ornithology, lets you log the bird species you observe on a smartphone app or on the web. Whether you’re going on a birding trip or enjoying birds near home, you can list the species you found on eBird. Millions of people all over the world help eBird…

Cuba is home to a unique population of Northern Bobwhites, with plumage patterns and short bills that set them apart from bobwhites on mainland North America. But where these quail came from has been a mystery. Did humans introduce them from the mainland? If so, when, and why do they look…

The Andean-Cock-of-the-Rock sounds like a cross between a chainsaw and a squealing pig. The national bird of Peru, male birds of this species sport a splendid bright red plumage along with a head crest reminiscent of a knight’s battle helmet. Females choose their mate from among a group of…

To out-sip their competition, Sword-billed Hummingbirds have a distinct adaptation: these birds’ beaks are longer than their bodies. Found in temperate forests from Venezuela to Bolivia, these hummingbirds rely entirely on tube-like flowers that other species could never reach. While most…

Driving down a country road in eastern Ontario, there’s a surprising sight by the roadside: dozens of vibrantly coloured, eclectic birdhouses sitting atop 12-foot poles. It’s called Birdhouse City, and it’s in a conservation area boasting close to 100 birdhouses, with 30 under renovation…

In temperate climates like North America, it’s often male songbirds that sing the most. Typically the males migrate north before females and establish territories for the short breeding season, using their songs as a way to claim a spot. But many female birds do sing, even in colder…

Listeners are always curious about the origin of BirdNote's theme song. In this show, learn how Grammy-Award winning artist Nancy Rumbel and the BirdNote team created the theme. BirdNote is an independent nonprofit funded by our audience, and this week we’re asking for your support, at…