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The Origins of Feathers


Feathers are a uniquely avian adaptation—or are they?... more >>

August 2013 | Leave a comment

Owls: Custom-Made for Night Hunting

Great Horned Owl (Don Moseman)

What are some of the many adaptations that make owls such proficient hunters in the dark, quiet night? ... more >>

The Elusive, Mystifying Northern Harrier

Northern Harrier

Follow the trials and triumphs of a GGRO intern, as told through encounters with the Northern Harrier.... more >>

March 2013 | 5 Comments | Leave a comment

A Hawkwatcher’s View of the New Hawk Hill

Hawk in flight (Walter Kitundu)

How did the Hawk Hill tree removal affect the birds during fall migration?... more >>

January 2013 | 1 Comments | Leave a comment

Broadwing Bonanza on Hawk Hill

Broadwing Hawks

September 27, 2012. Hawk Hill. 295 Broad-winged Hawk sightings. Aside from these impressive numbers, why is this exciting? ... more >>

November 2012 | 2 Comments | Leave a comment

Red-tail, phone home!

Red-tail, phone home!

Find out where Augusta, a Red-tailed Hawk caught in the Marin Headlands, has been since she was tagged in August.... more >>

October 2012 | Leave a comment

Exploding the Myth of the Raptor Peak Week

Exploding the Myth of the Raptor Peak Week

The fall raptor season and "Peak Week" are upon us! Read on to find out more.... more >>

September 2012 | 1 Comments | Leave a comment

Here Again, Gone Again: Red-necked Phalaropes

08 Here Again, Gone Again: Red-necked Phalaropes

For just a few weeks each year, Red-necked Phalaropes visit Rodeo Lagoon.... more >>

August 2012 | Leave a comment

From Intern to Program Manager: A Round-trip Migration

From Intern to Program Manager

Learn how a banding intern returns, a dozen years of raptor research later, as the GGRO’s new Banding Program Manager.... more >>

July 2012 | Leave a comment

Breezy Redtails and Their Feather Secrets

Red-tailed Hawk

Balancing precariously on the strong March winds, stilling Red-tailed Hawks are easy to spot in the Marin Headlands. But what’s the driving force behind this aerial feat? ... more >>

March 2012 | Leave a comment


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