Wednesday 13 September 2023

[cobirds] Re: Swainson’s Hawk & Turkey Vultures

The Swainson's hawk migration is in full gear and far from over. As of last Wednesday the family groups in the area south of Greeley were still doing SWHA things without any major sign of a big push. They are moving now, but in no big hurry. A large kettle was sighted over E. Greeley Tuesday(9/12) afternoon. Over the last decade the Front Range SWHA's don't seem to begin their big push until the 10th or so, of September. Postings on eBird indicate that there are still plenty of SWHA's up north that will be heading down in short fashion. Warm late summers from Canada on down appear to be a key component of this. No cold, no sense of urgency to move.

Was it a kid from this year? Unlikely, since they are so in tuned with the adults to make migration.

Michael Tincher
Loveland

On Tuesday, September 12, 2023 at 6:27:13 PM UTC-6 Paula Hansley wrote:
CObirders:

Would a Swainson's Hawk migrate with Turkey Vultures?  Just saw a group (kettle?) of vultures slowly migrating south over Louisville.  Seemingly soaring with the vultures was one Swainson's Hawk (missing a tail feather).

Could this be a young bird that fledged late and then missed the main Swainson's migration?  They gather in eastern Colorado in late August before migrating south in large flocks to Argentina.  Not sure iif the Swainson's have left eastern Colorado yet.

Thanks- -

Paula Hansley
Louisville

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