Mum-mum has been wondering what the differences are between Palm Warblers and Yellow-Rumped Warblers. Here they are, side by side…

Yellow-Rumped Warbler (left) and Palm Warbler (right)
Mum-mum has been wondering what the differences are between Palm Warblers and Yellow-Rumped Warblers. Here they are, side by side…
Yellow-Rumped Warbler (left) and Palm Warbler (right)