Yet, the Cornell app “Merlin” uses the convenient descriptor "Small gull with distinctive bold "M" pattern on wings in flight, formed by black outer primaries, white inner flight feathers, and dark back,” in its description of Sabine’s Gull.
Chuck Hundertmark Lafayette, CO > On Oct 28, 2020, at 3:50 PM, coloradodipper via Colorado Birds > <[email protected]> wrote: > > All: > > The number of species of "small gulls with an M pattern" that are possible in > Colorado is five: Ross's, Little, Bonaparte's, and Black-headed gulls and > Black-legged Kittiwake. The "M pattern" refers to the "M" described by the > dark primaries and the stripe of dark crossing the otherwise pale coverts to > the wrist from the base of the wing. > > Sabine's Gull does NOT have an "M pattern." > > Sincerely, > > Tony Leukering > currently Fairborn, OH > > -- > 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] > <mailto:[email protected]>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/cobirds/1609405297.23877.1603921857973%40mail.yahoo.com > > <https://groups.google.com/d/msgid/cobirds/1609405297.23877.1603921857973%40mail.yahoo.com?utm_medium=email&utm_source=footer>. -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/cobirds/5227831E-8091-4BF9-BFBE-E847B29B7D39%40gmail.com.
