Flycatcher lovers: Wrote a long rambling question, then made it more concise: Brown-crested Flycatcher: has rufous extending to the tips on the under side of its tail. Ash-throated Flycatcher: juvenile has rufous extending to the tips on the under side of its tail. How diagnostic is this field mark of Brown-crested undertails? Could there have been an IMMATURE (NOT JUVENILE) Ash-throated Flycatcher last week in Big Bend with this field mark? Nutting's... Graham Floyd, San Antonio, TX Edit your Freelists account settings for TEXBIRDS at //www.freelists.org/list/texbirds Reposting of traffic from TEXBIRDS is prohibited without seeking permission from the List Owner