Length: 4-5 in Wingspan: 8-9 in Weight: 0.3-0.4 oz
Streaked black and white overall, with black cap and malar stripe.
Range map by Neotropical Birds
The Blackpoll Warbler weighs less than a quarter on average, but during migration, they double their weight to fuel the longest overwater journey of any songbird — nearly 1,800 miles from Canada to South America, requiring up to 3 days of nonstop flying.
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