Bank Swallow (Riparia riparia)
The Bank Swallow is the smallest swallow and is also known as the Sand Martin. They live in holes in banks near water. Bank Swallows have a wingspan of 9.8-11.4 in. and weigh 0.4-0.7 oz. Their diet consists of aerial insects. Bank Swallows make a twittering noise. They are protected on the US Migratory Bird lists.
Photo Credits: Francesco Veronesi