This 10 May 2020 video from Britain says about itself:
BTO Garden BirdWatch – Telling apart Swift, [Barn] Swallow and House Martin
Join BTO’s Paul Stancliffe as he explains how you can tell apart the summer migrants arriving in your garden.
This 10 May 2020 video from Britain says about itself:
BTO Garden BirdWatch – Telling apart Swift, [Barn] Swallow and House Martin
Join BTO’s Paul Stancliffe as he explains how you can tell apart the summer migrants arriving in your garden.
