[cobirds] Re: So Many Gulls - Centennial (Arapahoe)

2020-02-15 Thread Dave Cameron
Steve N. G. Howell's "Gulls of the Americas" is an excellent book, with a few pages of pics per species, including various ages, birds in flight, resting, etc. Dave Cameron Denver On Thursday, February 13, 2020 at 5:48:04 PM UTC-7, Jared Del Rosso wrote: > > I've lived in Centennial for four

Re: [cobirds] Re: So Many Gulls - Centennial (Arapahoe)

2020-02-14 Thread 'Gary Lefko' via Colorado Birds
Hi Deb Not familiar where Denver gulls move around to ... but your choices make sense they like big open areas to roost. Gary On Friday, February 14, 2020, 11:03:57 AM MST, Deborah Carstensen wrote: I’ve seen amazing numbers of gulls flying north to south near Littleton, Platte Canyo

Re: [cobirds] Re: So Many Gulls - Centennial (Arapahoe)

2020-02-14 Thread 'Deborah Carstensen' via Colorado Birds
I’ve seen amazing numbers of gulls flying north to south near Littleton, Platte Canyon and Bowles, at sunset. Going to Chatfield? South Platte reservoir? Deb Carstensen, Arapahoe county Sent from my iPhone > On Feb 14, 2020, at 8:57 AM, 'The Nunn Guy' via Colorado Birds > wrote: > >  > Hi J

Re: [cobirds] Re: So Many Gulls - Centennial (Arapahoe)

2020-02-14 Thread Joe Roller
Jared, Colorado's own John Vanderpoel has produced two excellent videotapes for gull study, one for large gulls, the other for small (The Small Gulls of North America). I learned a lot watching them, and you will too. They are not difficult to find on line by searching his name and that title. Dis

[cobirds] Re: So Many Gulls - Centennial (Arapahoe)

2020-02-14 Thread 'The "Nunn Guy"' via Colorado Birds
Hi Jared Could not find a "gull in flight ID guide" but found these useful PDFs about gull ID: - http://assets.press.princeton.edu/chapters/i13273.pdf - http://www.johnmuirlaws.com/wp-content/uploads/2016/04/Laws_Gull_ID.pdf - This book is excellent: https://www.amazon.com/Gulls-S