Birdnote

The Arcata Marsh and Wildlife Sanctuary in Northwest California is an important stop along the Pacific Flyway, one of the four main routes for bird migration through North America. Visitors are sometimes surprised to learn that this wildlife sanctuary is also the city of Arcata’s wastewater treatment facility. By combining conventional wastewater treatment to natural wetlands, the city has created habitat homes and migratory resting places for over 300 species of birds, including many shorebirds.  Learn more at BirdNote.org.

The tiniest bird in continental North America: the Calliope Hummingbird - a 3-1/4-inch jewel, weighing in at just a tenth of an ounce. These birds migrate north each spring from Western Mexico. From its perch, a male Calliope Hummingbird surveys its territory. This exquisite bird was named for the Greek muse of epic poetry, and it's the smallest long-distance avian migrant in the world. Learn more at BirdNote.org.

Poet Ada Limón often writes about birds, and her new book, The Hurting Kind, is no exception. Birds are a throughline in the book — between the seasons, from childhood to present, and knowing and unknowing. Two of her poems examine opposite sides of the “knowing/unknowing” coin. You can read many more fantastic poems, with and without birds, in Ada Limón's new book, The Hurting Kind.

In this episode of BirdNoir, the Private Eye gets a call from his friend Frank, his eyes and ears in the neighborhood. He’s hearing a Red-shouldered Hawk call, but there’s no hawk in sight. Going through the lineup of usual suspects found in backyards, they examine the surprising talent for mimicry found among common birds and finally put the finger on the trickster.  Learn more at BirdNote.org.

Your eye may be drawn to the gorgeous male Wood Duck, but it is the call of the modestly plumaged female you’ll hear. This call tells the male where his mate is, important as the pair stays together through much of the winter and spring. Wood Ducks are among a small number of North American waterfowl that nest in cavities, and many of them nest in boxes we provide for them. Learn more at BirdNote.org.

Many native cavity-nesters - including this Black-capped Chickadee - will nest in an artificial birdhouse, or nestbox. Look for a nestbox that's plain wood. If the birdhouse comes with a perch, remove it. It just makes it easier for a predator bird to land and go after the eggs or young. Here's the important part: the entrance hole should be 1-1/8 inches. No more, no less, exactly 1-1/8 inches. That size will let native birds in, and keep non-natives out. Now hang the nestbox out of the way of predators. You can buy a nestbox - or build your own! Learn more at BirdNote.org.

It can feel like there’s nowhere to hide in the shortgrass prairie. But the Thick-billed Longspur calls this place home. The bird’s burbling song helps create the high plains’ soundscape. The species was formerly named McCown’s Longspur after a Confederate general who participated in genocide against Native Americans. In 2020, after pressure from the “Bird Names for Birds” movement and others, the species was renamed for its thick bill, which is pale on females and black on breeding males.  Learn more at BirdNote.org.

In general, the bigger the bird, the higher the number of feathers. Someone counted the feathers on a Tundra Swan and came up with 25,216. At least 80% were on the swan’s neck. Penguins, on the other hand, have lots of small feathers all over their bodies. The largest species is the Emperor Penguin, and one project counted around 80,000 feathers on a single bird. That’s nearly sixty per square inch – keeping the penguin insulated and waterproof in harsh climates. But the most feathered creature ever? It may have been a dinosaur! Learn more at BirdNote.org.

Flocks of Cherry-headed Conures, a species native to South America, are now found throughout San Francisco. While a local legend claims that a pet shop owner introduced them by burning the shop down, it’s more likely that that a few of these loud-mouths exasperated their owners until they “accidentally” left a window open. Sadly, wild Cherry-headed Conures are falling ill from rodent poison. A nonprofit, Mickaboo, adopts out healed rescues.  Learn more at BirdNote.org.

In a Western ponderosa pine savanna, tall pines dot an open, grassy landscape. A Western Bluebird flits from a gnarly branch, as this Cassin's Finch belts out a rapid song. The trees here grow singly or in small stands. Upslope, the pines become denser, mixing with firs. Downhill, the trees give way to an open grassland. The open structure of this savanna, found on mountain slopes from the Rockies to the Cascades, results from recurring natural fires. Fast-moving blazes sweep through, burning the low vegetation but sparing the larger trees, which are protected by very thick bark. After a fire, grass and wildflowers re-grow quickly. Learn more at BirdNote.org.

Growing up in Thailand, Noppadol Paothong loved the outdoors, and began learning about cameras at just eight or nine years old. He came to the U.S. to study graphic design, but the woman who’s now his wife encouraged him to pursue photography instead. While working at a daily newspaper, he took his first photos of Greater Prairie-Chickens. He’s now a staff photographer for the Missouri Department of Conservation and has produced two books about species of grouse that depend on grasslands. Learn more at BirdNote.org.

Bird beaks, or bills, come in many shapes and sizes. And birds use them for just about everything: to collect food, preen, fight, court, chop holes in trees, weave nests, and more. In order for a bird to fly, its beak must weigh as little as possible. Beaks are covered with a sheath of a tough material called keratin, which grows continuously because a beak wears down with use. Learn more at BirdNote.org.

Cactus Wrens, which may nest several times between March and September, carefully orient their nests in tune with the season. These bulky twig structures have a side entrance that curves toward the inner chamber. When building a nest for the hot months, the wren faces the opening to receive the afternoon breeze. By contrast, a Cactus Wren building a nest in early March orients the entrance away from the cold winds of that season, keeping the chicks snug and warm. Learn more at BirdNote.org.

Poet Joyce Clement writes haiku, a traditional Japanese form. While it's often thought of as having three lines with 5-7-5 syllables, Joyce says that the key elements of any haiku are a fragment and a phrase spoken in a single breath. In this sequence of haiku, Joyce juxtaposes punctuation marks with images of birds, drawing on their similar appearances, as well as meaning. Learn more at BirdNote.org.

It's spring! And for many birds, a time to look their best to attract a new mate. This American Goldfinch has recently molted. Its old, worn-down feathers have fallen out, and new ones have grown in. When goldfinches molt in the fall, they lose these brightly colored feathers. Their winter camouflage helps them blend in with the drab background of the season. Learn more at BirdNote.org.