These are Osprey chicks panting from heat. There is no shade in these exposed nests. Parents shade young with open wings when they are not away fishing. Osprey, also called Fish Hawks, Pandion haliaethus is a migratory bird of prey in Maine. This large raptor hunts only live fish. It hovers in the air over water to see fish then plunges feet first to capture fish. Pandion haliaetus, Osprey, Fish Hawk