Global warming may be causing birds to alter their nesting habits, according to a new study that found that some species in Chicago are laying their eggs, on average, nearly a month earlier than usual ...

To nest or not to nest? That is the question. The days are hot and muggy; the nights only a bit cooler. In the morning when the barred owl hoots to its partner, I check the temperature. If, at 5 a.m., ...

Doesn't everyone love wrens? Here, three species brighten our days. Year-round, only one stays. Another comes in summer to raise families. Now, with winter setting in, the one most rare has arrived.

People often describe the house wren as plain because the bird has simple brown colors. But don't disregard these backyard guests. House wrens measure 4 3/4 inches long with a wingspan of 6 inches.

Certainly, they can be called birds of destiny. They hatched on Earth Day and 18 days later the little house wren chicks entered the world on Mother’s Day. In between, these three tiny birds survived ...

It may be mid-winter, but the nesting season for birds is underway. Great horned owls and bald eagles are already incubating eggs. Smaller songbirds wait until spring to begin nesting. Those that use ...

Birds are still nesting in Pennsylvania, according to Robert Mulvihill, coordinator of the Second Pennsylvania Breeding Bird Atlas, which completes its field work this year. And, if birds are still ...

A note to readers: Outdoors will begin running every other week. Look for the next column on May 17. Technology has provided tiny cameras that allow for an intimate look into the lives of wild ...