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Feral Cats Are An Invasive Species in North America (and elsewhere)

10,000 Birds

But they don’t live in North America. I find it astonishing that people argue of whether feral cats are bad for birds in North America. In North America, you’ve got Bears at the large end, Cats in the middle, and at the smaller end, the Mustilids. Unless we put them there. Have you ever seen the Dryfus Lion?

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Cavity Nesting Birds of North America and Their Babies!

10,000 Birds

Wood Duck ( Aix sponsa ) Female Incubating Eggs in a Nest Box “Many species of cavity-nesting birds have declined because of habitat reduction. The wood duck was very scarce in many portions of its range, at least in part, for the same reason and probably owes its present status to provision of nest boxes and protection from overhunting 1.”

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The “Rufa” Red Knot is now protected under the Endangered Species Act

10,000 Birds

One of the two sub-species of Red Knot occurring in North America, the Rufa subspecies breeds in the Canadian Artic Region and migrates along the east or Atlantic coast of the United States. In both cases, knots, which feed on the crabs’ eggs, can miss their peak refueling opportunity.

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Peterson Field Guide to North American Bird Nests: A Field Guide Review

10,000 Birds

This may have been partly a leftover from the Victorian fascination with egg collecting (the infamous passion known as oology), but probably more from people’s burgeoning interest in the nests and eggs found in their gardens and fields, gateway artifacts to a newer hobby called birdwatching. The Harrison guides are out of print.

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Osprey Love in Northern California

10,000 Birds

Most of the Osprey breeding in North America are migratory, only Florida, the Caribbean and Baja California host non-migratory breeders 1. Osprey pairs usually form at the nest site where females are fed almost exclusively by their mates prior to egg laying behavior 1. This pair copulated several times while I was observing.

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What is the State Bird of New Jersey?

10,000 Birds

Now, more than ever, they are an iconic piece of the birding landscape, for David Sibley’s “ The Sibley Field Guide to to Birds of Eastern North America ,” features none other than an American Goldfinch on the cover! Unlike many other songbirds, these goldfinches subsist entirely on a vegetarian, seed-based diet.

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The Brown and Peruvian Pelicans

10,000 Birds

The Brown Pelican occurs in both the Pacific and Atlantic coasts of North America and northern South America. They nearly disappeared from North America between the late 1950s and early 1970s because of pesticides entering the food chain. Pelicans are protected by the Migratory Bird Treaty Act.

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