After talking to Nick K. and studying the photosI've concluded the juvenile > gull was a 1st cycle California Gull based on its bicolored bill, long > narrow wings, and plain base of outer greater coverts. Lesser Black-backed > Gull is the call on the adult from the smaller white trailing edge on the > wings, dusky base of secondaries and primaries leading into dark wingtips, > slaty grey upperparts contrasting with black wingtips, yellow legs and > bill. Although the bill seemed too large to me, Nick suggested it could be > a larger bill of a mature male. Gulls can be so humbling! >
> David Wade > Fort Collins > -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/cobirds/e23dbc87-0331-4249-a9df-6bdc33777b8c%40googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
