Seven birds per nest multiplied by 720 insects per bird per day multiplied by 30 nests for 20 days equals just over 3 million bugs total. There are 15 barn swallow nests.

‘Puffling Patrol’ Helping Precious Baby Birds ‘Find the Ocean’ Is the Most Wholesome Thing We’ve Ever Seen originally appeared on PetHelpful. If you’re not familiar with them, baby ...