I'm not sure what type of hybrid this goose is, although Steve Mlodinow may have seen the same bird on an earlier date. He ID'd his as Snow x Cackling.
https://ebird.org/checklist/S62786339 Also, any idea on the gull? Susan Rosine Brighton, Adams -- 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 cobirds+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/cobirds/08c7143b-2041-4b6a-8d1d-9d4f7c18b9b1%40googlegroups.com.
