Common Swift - Marshall Iliff
Report

Contributor

Date

Location

Dakar--trawler area
Dakar, Senegal
Media from this location Illustrated Checklist
Map
Map Coordinates: 14.928813, -17.461375
Age
Not specified
Sex
Not specified

Media notes

heavy-set proportions, dark body and sharply contrasting white throat eliminate Pallid Swift, which was seen earlier in trip

Observation details

Group of two high overhead far offshore; tentative ID in the field, confirmed by photos

Technical information

Model
Canon EOS 7D Mark II
Lens
EF100-400mm f/4.5-5.6L IS II USM
ISO
100
Focal length
400 mm
Flash
Flash did not fire, auto
f-stop
f/5.6
Shutter speed
1/640 sec
Dimensions
816 pixels x 601 pixels
Original file size
149.5 KB