Join Ellen & science communicator, birder and professional nerd Ralph Crewe for a review of a little bird with the loftiest ambitions: chimney swifts. We talk about competitive birding, planetariums, and what it’s like to eat, sleep, and bathe entirely midair.Links:Check out Ralph's YouTube channel, Isn't That Something, and his work on Practical Engineering. Local to Pittsburgh? Check out Nerd Nite! Follow Ralph on Twitter and Facebook.Cover photo: Jonathan Irons via iNaturalist