
River Corridors as Bird Lifelines: What Puffins and Waxwings Teach Us
A Tufted Puffin rides Pacific swells off the Oregon coast. A Bohemian Waxwing strips mountain-ash berries from a roadside tree in Alberta. Neither bird
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A Tufted Puffin rides Pacific swells off the Oregon coast. A Bohemian Waxwing strips mountain-ash berries from a roadside tree in Alberta. Neither bird

Two birds that look nothing alike share a common challenge: both are regularly misidentified in the field. Here's how to read every mark correctly.

When food systems shift — whether ocean warming or drought — birds change behavior in ways that alter how they look and act in the field. Here's what to watch for.

A wolf tree on Hog Island, Maine has watched nearly a century of birders pass beneath its branches. What that continuity means for seabird observation and education.

A polar bear can consume an entire seabird colony's eggs in a single afternoon. That fact reshapes how ornithologists think about predator pressure on bird populations everywhere.

Shorebird chick survival is one of the most behaviorally demanding challenges in North American ornithology — and the data reveal exactly why it requires so many moving parts.

Seventy percent of new birders misidentify at least one of these four species in their first season. Here's how to read the real field marks — and why getting them right matters.

When a Killdeer drags its wing across gravel or a White-breasted Nuthatch descends a trunk headfirst, something deeper than behavior is at work — evolution arriving at the same answer twice.

A Least Tern diving at your head is not aggression. It's a behavioral alarm system — one that reveals exactly how much pressure a nesting colony is already under.

A shallow scrape in the sand looks like the worst possible nest. For Black Skimmers, Least Terns, and Wilson's Plovers, it's been working for thousands of generations.

The forest patches that once connected across the Maya lowlands are quieter now in ways that migration data makes measurable. Here's what corridor science reveals about familiar birds.