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Photos

Biologists measure the culmen on a clapper rail.

Biologists measure the culmen on a clapper rail.

Backpack mounted VHF transmitter is attached to a clapper rail at Colma Creek Marsh.

Backpack mounted VHF transmitter is attached to a clapper rail at Colma Creek Marsh.

Radio-marked clapper rail is released at its capture location.

Radio-marked clapper rail is released at its capture location.

Steve Schwarzbach (WERC Center Director) instructs Cory Overton on the finer points of radio-tracking.

Steve Schwarzbach (WERC Center Director) instructs Cory Overton on the finer points of radio-tracking.

Biologist Cory Overton enters radio-tracking data on a PDA.

Biologist Cory Overton enters radio-tracking data on a PDA.

Wetland/urban interface at the Colma Creek Marsh.

Wetland/urban interface at the Colma Creek Marsh.

Biologists Cory Overton and Toby Rohmer investigate possible clapper rail nest site.

Biologists Toby Rohmer and Cory Overton (left to right) investigate possible clapper rail nest site.

Clapper rail nest found with eight eggs at Cogswell Marsh.

Clapper rail nest found with eight eggs at Cogswell Marsh.

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