I believe these are flocks of Franklin’s gulls migrating between South America and northern US/Canada. I’ve seen and heard two flocks in the past couple days here in Cañon City, Co.
On Tuesday, April 21, 2020 at 4:56:17 PM UTC-6, Ghislaine Griswold wrote: > > This morning I was sure I heard gulls calling from high up, somewhere > between me (Sedalia/west Plum Creek) and Devils Head in Douglas County, > seemed to be flying south along the foothills. I used to live in NJ, so I > thought I knew gull noises. Does anyone else hear gulls? > > -- 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/5ff0b6bc-5c7d-43fc-8866-89bcb42dddc8%40googlegroups.com.
