Pomarine Jaeger (Stercorarius pomarinus), Glendale Recharge Ponds, Maricopa County
This Pomarine Jaeger was
found and photographed by Jeff Ritz on 28 November 2019
and photographed by Steve Boyack on the same date.
Pomarine is the rarest jaeger species in Arizona,
with only eleven accepted records and another pending,
most of which are of juveniles in late fall.
A juvenile jaeger with a heavy, bulky body,
"barrel-chested" appearance, broad-based wings, and a
relatively large head. The bill is thick with the dark
nail making up much less than half the length. Overall
cold coloration. There pronounced pale bases of the
underprimary coverts resulting in a small crescent under
each wing, creating the "double flash" typical of
Pomarine Jaeger. Several white shafts on the upper
primaries. The upper and undertail coverts are strongly
barred. The blunt central tail feathers barely jut out
beyond the others.
28 November 2019, photo by Jeff Ritz
28 November 2019, photo by Steve BoyackAll photos are copyrighted© by photographer
Submitted on 28 November 2019