Photo by Don Danko
Photo by Don Danko

An Expanding Osprey Nesting Population on San Francisco Bay by Tony Brake

Osprey Nesting Population on San Francisco Bay: The History, Biology and Locations of the Osprey

Estuary Press provided the Zoom interface for Tony Brake’s wonderful and informative presentation on An Expanding Osprey Nesting Population on San Francisco Bay. Following up on Osprey Days (July 4 & 5, 2020),  Myrna Hayes, Mare Island Shoreline Heritage Preserve, brought together Tony Brake and some friends in a recorded Zoom gathering to offer the public Tony’s insights into the remarkable resurgence of Ospreys locally and around the world. Given half a chance, mother nature is rebounding, providing us with hope for the natural world and our place in it, showing us new ways we are living in harmony with wild life.

In his talk, Tony Brake (Golden Gate Raptor Observatory and Golden Gate Audubon) An Expanding Osprey Nesting Population on San Francisco Bay reviews the history, biology and locations of the Osprey (Pandion haliaetus) on San Francisco Bay. The video contains Tony’s power-point presentation of photos and videos drawn from many sources of the Osprey diving into bay waters for fish and its nesting habits and locations, as well as in depth charts and graphs about the nesting birds.

Osprey Nesting Population on San Francisco Bay
Osprey pair nesting in Richmond, CA, 2021. Photo is a screen grab from

“The osprey or more specifically the western osprey (Pandion haliaetus) — also called sea hawkriver hawk, and fish hawk — is a diurnalfish-eating bird of prey with a cosmopolitan range. It is a large raptor, reaching more than 60 cm (24 in) in length and 180 cm (71 in) across the wings. It is brown on the upperparts and predominantly greyish on the head and underparts.

“The osprey tolerates a wide variety of habitats, nesting in any location near a body of water providing an adequate food supply. It is found on all continents except Antarctica, although in South America it occurs only as a non-breeding migrant.” (

About Estuary Press: Estuary Press is the publisher of Nicaragua Way by Nina Serrano and Heart Suite, a trilogy of three books of poetry by Nina Serrano. It is also the home of the Harvey Richards Media Archive, a repository of photography and video documentaries of the social change and political movements during the 1960s and 1970s. Contact Paul Richards (510) 967 5577, or visit for more details.

MEDIA – For photos & interviews: Paul Richards (510) 967 5577;

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