Michael Pr wrote -

> Usually on seeing a Pom, there's no question of the ID, but this individual
> was not obvious. Any help welcome.

Get yourself a copy of the October 1997 "Birding" mag from the ABA. An
excellent article on jaeger migration through the Great Lakes, replete with
photos of those pesky juvs. Wing depth/tail length ratio seems to be the best
discriminant for all age classes.

- Jack



Jack Bowling
Prince George, BC
jcbowling at mindlink.bc.ca