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nesting

Galapagos Penguins and El Nino

University of Washington professor Dee Boersma is concerned about Galápagos Penguins because of the increased frequency of El Nino. So Dee's team and their partners at the Galápagos National Park recently built about 120 "penguin condos." These are lava burrows near the coast, most between half a... read more »

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Topics & Themes:  environmental champion, nesting

Nest Building

Want to try building a nest? Consider this... An average American Robin weighs less than three ounces. An average person weighs 170 pounds, or 1,000 times as much as a robin. A robin's nest, made of grass and mud, weighs about seven ounces, so yours will weigh 450 pounds. You'll need to collect... read more »

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Topics & Themes:  nesting

The Moon of Falling Leaves

The Cree called the full moon in October "The Moon of Falling Leaves." It's almost time to stow the tools and put the garden to bed for the winter. When the trees lose their leaves, you can see the nests of summer. It's a good time to prune trees, because you won't disturb nesting birds. If you... read more »

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Topics & Themes:  gardening, nesting

Nesting Niches

American Robins (like this male seen here with its young), House Finches, and Song Sparrows may all nest within one small garden. By selecting different nesting strata, the species avoid competing for the same nesting sites. If you plant your garden in multiple layers – trees both short and tall,... read more »

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Topics & Themes:  gardening, nesting

Montezuma Oropendola's High-Security Nesting

A male Montezuma Oropendola holds forth in a tree bedecked with twenty or more hanging nests. The nests are intricately woven sacks hanging three feet or more from the branches. Oropendolas favor trees that are separate from other trees and often build near large nests of wasps, whose stinging... read more »

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Topics & Themes:  nesting

Flicker Attack

In early spring, a male flicker may drum on a metal stovepipe or other resonant surface to attract a mate and proclaim his territory. This doesn't damage your house. If your flicker is drilling for food, you'd better check for carpenter ants or other insects! A flicker may also be excavating a... read more »

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Topics & Themes:  nesting

Choosing Where to Nest

When it comes to building a house, one of the first decisions is where to put it. The same is true for birds. It's called "nest site selection." And one thing most birds have in common? The female chooses the site. A robin builds its nest on top of a stout branch. This Warbling Vireo hangs its... read more »

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Topics & Themes:  nesting

Mother Birds

Happy Mother's Day, from the whole BirdNote team!Avian motherhood is a mixed bag. Peregrine Falcon mothers share duties fairly equally with Peregrine dads. At the other end of the spectrum is the female hummingbird, which usually carries the entire burden of nesting, incubating, and tending the... read more »

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Topics & Themes:  nesting

Nests with Flair

While small birds gather feathers and fuzz, an Osprey adds material to its showy nest, high on a tree with a broken top - or maybe on a tower. Take branches three feet long; add sticks, bark, and mats of algae; throw in some flotsam and jetsam, and you have an Osprey's nest. It's unfortunate that... read more »

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Topics & Themes:  nesting

The Marsh Wren's Many Nests

Tiny Marsh Wrens live in wetlands, usually within cattails, reeds, or bulrushes. After choosing his territory, the male weaves up to 15 dome-shaped shells, lashing together cattails, grasses, or reeds. These are called "courting" nests. Then, sitting high atop a perch in the marsh, he sings,... read more »

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Topics & Themes:  breeding display, nesting

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