White-naped Swift - Don Roberson
Report

Contributor

Date

Location

Durango Hwy--Piedra Blanca vicinity
Concordia, Sinaloa, Mexico
Media from this location Illustrated Checklist
Map
Map Coordinates: 23.3605428, -105.9603882
Age
Not specified
Sex
Not specified

Media notes

digitized from slide

Observation details

very large flock; careful estimate

Technical information

Model
LS-50
Dimensions
731 pixels x 505 pixels
Original file size
102.73 KB