The Lesser Black-backed Gulls were there at sunrise. They caught me off guard too! I had a Long-billed Curlew hanging out down there as well. Good mid-August bike birding! I had 4 Forster’s Terns on S Platte Delta straddling JeffCo and Douglas county lines.
Scott Somershoe Littleton CO Sent from my iPhone > On Aug 14, 2021, at 11:25 AM, David Tønnessen <[email protected]> > wrote: > > > Hey Max, > > Indeed it appears you found two Lesser Black-backed Gulls; a near adult 4th > cycle bird (notice the fleck of black in the bill for age) and a 2nd cycle. > Lesser Black-backed Gulls have contrasting dark wings compared to the rest of > their plumage even in younger plumages, and get a pale eye after their first > year. Like you said, the structure here is another great thing to look at; > long wings and heftier than a Ring-billed Gull with sharper bill angles, but > more petite than a Herring Gull. > > This species has been increasing in this continent with occaisonal > oversummering birds having been found as far south as Central America. > > > Best, > > David Tonnessen > Colorado Springs, CO > > El sáb., 14 ago. 2021 8:46 a. m., Max Miller <[email protected]> escribió: >> Good morning everyone, >> >> I did not expect to be sorting gulls so seriously this morning at the >> Chatfield Marina Sandspit, but here we are. >> >> As I was scanning the flock of Ring-billed Gulls to sort out any California >> Gulls (which were there, too), I noticed two birds that stuck out further, >> an adult and a juvenile next to each other in a smaller group of >> Ring-billeds maybe 30 feet from the greater flock. >> >> Both were noticeably bigger than the nearby Ring-billeds, but not hugely so. >> The adult was quite a bit darker backed than any of the other gulls, had a >> yellow eye, a red spot on its bill, and legs I would describe as perhaps >> yellowish, but pretty drab though the light could play a role here. The best >> I can come up with is Lesser Black-backed, but my experience with that >> species is limited. >> >> The juvenile was about the same size and seemed associated with the adult. >> It's eye seemed paler as I could make out a pupil. Again, light may play a >> role here. It had a unique shape I thought, but of course my gull ID guides >> are all at home so I hesitate to put any sort of ID on it in my mind. >> >> Any input is most welcome - I took a number of digiscoped photos that are >> uploaded to my ebird checklist at the link below. Thanks to any larophiles >> here who might be able to validate or negate my observations on the adult, >> and provide any further clues for the juvenile. >> >> >> https://ebird.org/checklist/S93202724 >> >> Good birding! >> >> Max Miller >> Denver, CO >> -- >> -- >> You received this message because you are subscribed to the Google >> Groups "Colorado Birds" group. >> To post to this group, send email to [email protected] >> For more options, visit this group at >> http://groups.google.com/group/cobirds?hl=en?hl=en >> * All posts should be signed with the poster's full name and city. Include >> bird species and location in the subject line when appropriate >> * Join Colorado Field Ornithologists https://cobirds.org/CFO/Membership/ >> --- >> 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/CACBd7xA2K2V7THbDhQcerOChRzUWCx3x0JkvLeujnQbQd6wfPQ%40mail.gmail.com. > > -- > -- > You received this message because you are subscribed to the Google > Groups "Colorado Birds" group. > To post to this group, send email to [email protected] > For more options, visit this group at > http://groups.google.com/group/cobirds?hl=en?hl=en > * All posts should be signed with the poster's full name and city. Include > bird species and location in the subject line when appropriate > * Join Colorado Field Ornithologists https://cobirds.org/CFO/Membership/ > --- > 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/CADkL8Fd_6%2Bi3gx04vG7_w_x3xWAH68EhWjSdqQHKnrZF57OjMA%40mail.gmail.com. -- -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To post to this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/cobirds?hl=en?hl=en * All posts should be signed with the poster's full name and city. Include bird species and location in the subject line when appropriate * Join Colorado Field Ornithologists https://cobirds.org/CFO/Membership/ --- 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/FDBB077D-3292-43BD-9C98-7C9C2AD98753%40gmail.com.
