OPEN WIDE!!! Chuck-will’s-widows are the largest nightjar in North America. They live in south Florida year-round and their large mouth helps them hunt for insects, small birds, and even bats. This adult Chuck-will’s-widow (25-7051) was admitted after being found on the ground and unable to fly. Upon initial examination, staff noted the bird had a small superficial corneal ulcer and air trapped under the skin likely from a ruptured air sac. Unlike humans, birds have a more efficient respiratory