Parasitic Jaeger

Stercorarius parasiticus

ML23928231



eBird Checklist S27258038
Golfo de Fonseca--Sector pelágico 3-10 km sureste de Amapala
Valle, Honduras
Search this location, Illustrated Checklist
Latitude and Longitude 13.2272, -87.5831 Map

Age
Unknown
Sex
Unknown
Behaviors
Breeding
Tags

Media notes

Lateral view of swimming intermediate morph (or worn dark morph) immature. Same individual as in ML23928221 and ML23928241

Observation details

A light morph and an intermediate (dark?) morph, both seen at the same time harassing a Sandwich Tern. Photos taken of both. The darker bird, an apparent immature based on lack of extended central tail feathers, allowed us to approach closely in the boat. It may be a worn dark morph, but was lighter on the underparts (thus, possibly intermediate?); it was very worn on the wings (especially the secondary coverts). It did not appear to be molting flight feathers (unlike other jaegers seen this day), therefore presumably a first winter immature. We never got close to the lighter bird.

Technical Information

Model
Canon PowerShot SX50 HS
f-stop
f/6.5
Focal length
198.5 mm
Shutter speed
1/1250 sec
ISO
800
Flash
Flash did not fire, auto
Original file size
688KB
Dimensions
2194 x 1366

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