Royal Tern - John Martin
Report

Contributor

Date

Location

San Diego River mudflats (including Robb Field & north side)
San Diego, California, United States
Media from this location Illustrated Checklist
Map
Map Coordinates: 32.7568803, -117.2401432
Age
Not specified
Sex
Not specified

Observation details

Big tern with moderately heavy orange bill, “male pattern baldness” pattern of black on head.

Technical information

Model
Canon EOS R7
Lens
EF100-400mm f/4.5-5.6L IS II USM
ISO
800
Focal length
400 mm
Flash
Flash did not fire
f-stop
f/5.6
Shutter speed
1/4000 sec
Dimensions
1045 pixels x 899 pixels
Original file size
245 KB