Pittsburgh Quarterly Contributors
David Liebmann

David Liebmann

David Liebmann is an educator who has birded throughout the country.

Songbirds of Spring

An avian chorus is warming up, a spring concert that begins with a quiet movement and builds to a wild paean to the dawn that almost bounces us out of our beds. Take some time to listen to the growing swell of sound, and since there is usually a relationship, note the habitat…

Chimney Swifts

Chimney swifts twitter, but they do not tweet. These are creatures not of the virtual world, but of our vernal skies. When warm weather returns to Pittsburgh and the new green of spring washes over the hills, Chimney Swifts will soon appear.

On Warblers

Spring begins with song, the dawn chorus warming up with a few notes in March and growing into full avian voice by May. Some of our best singers are the wood warblers, migratory songbirds, typically weighing under half an ounce, that winter from South America to the Caribbean and return northward to mate, nest,…

The Hummingbird is a Powerhouse

Endurance athlete, feather-​weight fighter, acrobat: all describe the Ruby-​throated Hummingbird, smallest member of eastern North America’s avifauna and the only hummer to breed in western Pennsylvania. If you could hold one of these tiny birds to your ear, you’d hear a heart beating 250 times a minute — at rest.

Golden Eagles

Invisible superhighways. That’s one way to describe the rising air currents that will whisk raptors through central Pennsylvania during this season’s migration. Golden Eagles, attuned to the subtle relationships between topography and wind, will scan our state’s prominent ridges and deep valleys as they soar southward as they have for millennia.

Duck, Duck, Gull

Winter weather on our three rivers brings a variety of duck and gull species to western Pennsylvania. So when frozen floes churn by or great sheets of ice cover upstream sections of the Allegheny or the Mon, the time is right within the city limits or towns nearby to look for some of…

On Nesting

While attention rightly goes to our region’s green buildings, the greenest construction puts them all to shame. It uses only native materials, costs nothing and is totally biodegradable. And the winner is: Bird nests, so many and so varied that we hardly notice them.

Autumn Knights

When these nobles gather, they’re known as a parliament. They hold proceedings under cover of darkness and their debates typically end with sudden death for the commoners around them. Whoo are they? Owls, of course.

At Your Birdfeeder

Next time you turn the heat up a notch or pull on a sweater, consider the birds. Birds that winter in western Pennsylvania wear their own down garments, feathers fluffed on cold days to trap warmed air close to their bodies.

The American Robin

The early bird catches the worm,” so the proverb tells us. As the light and warmth of spring slowly thaw western Pennsylvania, it’s likely that the American Robin will be that early morning bird with an unsuspecting wiggler in its beak.
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