Purple Martin - Nico Stuurman
Report

Contributor

Date

Location

Presidio--Battery Godfrey
San Francisco, California, United States
Media from this location Illustrated Checklist
Map
Map Coordinates: 37.8037613, -122.4774715
Age
Not specified
Sex
Not specified

Observation details

Running tally. Photos. Massive swallows with forked tails. Mainly imm/fem types

Technical information

Model
NIKON D500
ISO
160
Focal length
500 mm
Flash
Flash did not fire
f-stop
f/5.6
Shutter speed
1/1250 sec
Dimensions
935 pixels x 622 pixels
Original file size
95.54 KB