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nesting

Wood Storks and Climate Change

Wood Storks nest in trees, often in big colonies, and only when conditions are just right for them. Because of their feeding technique, they thrive in the early part of the dry season, when receding floodwaters concentrate fish in small pools. But this method of feeding is effective only when the... read more »

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Topics & Themes:  nesting

Why Birds Sing

Why do birds sing? Ornithologists have learned that the longer hours of light that come with spring trigger the release of hormones in birds. These hormones prompt the enlargement of the birds' gonads which, in turn, stimulate male birds to sing. Male birds - like this Black-headed Grosbeak - can... read more »

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Topics & Themes:  breeding display, nesting, vocalization

Frank Bellrose and the Wood Ducks

In the 1800s, Wood Ducks were possibly the most abundant ducks east of the Mississippi. But the draining of wetlands, the cutting of forests, and market hunting caused precipitous declines. In 1918, the Migratory Bird Treaty Act completely banned the hunting of Wood Ducks for 23 years. This... read more »

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Topics & Themes:  nesting

Northern Pintail - Elegance and Decline

In recent years, unlike many other North American ducks, Northern Pintails present a portrait of sharp decline. Pintails nest in grasslands near seasonal wetlands. Increasingly, these grasslands are being plowed up to grow crops such as corn. But people who love pintails are responding. Ducks... read more »

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Topics & Themes:  nesting

Making a Home among the Saguaros

In the arid Arizona desert, where cacti thrive but trees are scarce, the Gila Woodpecker and this Gilded Flicker carve out nest cavities in living saguaros. Tall, old saguaros may be pocked with twenty or more nest holes, bearing witness to decades of woodpecker families. The woodpeckers excavate... read more »

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Topics & Themes:  nesting

Osprey Return to Pennsylvania - Interview with Larry Rymon

Ospreys, common along the rivers of Pennsylvania, stopped nesting there in the 1950s, due to the effects of DDT. But in 1980, Larry Rymon, a professor of biology, began to restore Ospreys to Pennsylvania. Larry says: "Osprey have been a part of this planet's wildlife for 17 million years. They... read more »

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Topics & Themes:  nesting, science

Piping Plovers on the Beach - Interview with Patrick Comins

Young Piping Plovers hatch in early summer, in competition for use of the beach. Patrick Comins, Director of Conservation for Audubon Connecticut, says if there were no fences or exclosures, it would be very easy to step on the eggs. "You can hardly see them. We have to put up little cages around... read more »

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Topics & Themes:  nesting

Red-cockaded Woodpecker and Southeastern Forests

Native to the Southeast across to East Texas, Red-cockaded Woodpeckers differ from most woodpeckers. They remain in cooperative family groups throughout their lives. And they excavate nests in living trees rather than dead ones, often reusing the same cavities for decades. The federal government... read more »

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Topics & Themes:  nesting

Flickers and Buffleheads

After a Northern Flicker carves out a nest cavity, chances are the birds will use the cavity for just one nesting season. But the cavity may have a prolonged career as a home for small owls, bluebirds, swallows, and other birds - including the Bufflehead. Buffleheads - like the family seen here -... read more »

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Topics & Themes:  nesting

Saving Snags for Red-headed Woodpeckers

Red-headed Woodpeckers excavate cavities in large, dead trees called snags. Yet, over much of the Red-head's range, snags are frequently cut down as unsightly, or because they make good firewood. There are ways we can help the Red-headed Woodpecker -- and many other woodpeckers, too. The key is... read more »

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Topics & Themes:  gardening, nesting

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