Blog-banner-2

Goshawk Tip

08 February 2016 Written by
One trait that is unpublished (or maybe I have, can't remember) that I wanted to share is the faint "commas" along the base of the outer primaries that many juvenile and some adult Goshawks show. The are not nearly as visible as the "commas" on Red-shouldered Hawks, and more difficult…

A Tip on Judging Molt

01 February 2016 Written by
I received a request today on HawkWatch's "ask Jerry" link: http://hawkwatch.org/learn/jerry about Bald Eagles and an issue with determining molt on flying birds or birds in photographs. Looking at molt patterns on birds in flight can be very difficult to impossible to assess correctly (even photos can be misleading). Let…

An Interesting Golden Eagle

21 January 2016 Written by
I get so many photos in my inbox and just don't have the time to share them all, but I wanted to share this Golden Eagle that Larry Hancock sent me. Check out this bird, it is a juvenile - but it has barely any white in the tail and…

1st-year Red-tailed Hawks Molting in Fall

17 January 2016 Written by
1st-year Red-tailed Hawks Molting in Fall by Frank Nicoletti & Jerry Liguori We know that most raptors wear their 1st-year (juvenile) plumage for about a year, and begin to replace their feathers during their first spring (usually starting in March or April), but are you aware of the phenomenon where…

Behavioral Pressures in Winter

12 January 2016 Written by
Some raptors eat on the wing from time to time or quite frequently; Peregrines will eat while on migration as they cross large bodies of water. Kestrels and Merlins eat butterflies and dragonflies while in flight, and kites will eat insects on the wing daily. But, you don't see buteos…

Tail Irregularities

06 January 2016 Written by
Check out this neat tail pattern....this is the tail of an otherwise typical 1st-year Eastern (borealis) Red-tailed Hawk. But, what is up with the funky distinction between the basal and distal half of the tail? Actually, this happens to all raptor species from time to time. The most common reasoning…