Purple Martins from the Chambers Bay South Dock Location
Purple Martin removing a fecal sac from a nest cylinder.
San Diego County, California, US
Bird likely hit window hard -- splashed some water on it and put it under the shade...
The Purple Martin (Progne subis) is the largest North American swallow. These aerial acrobats have speed and agility in flight, and when approaching their housing, will dive from the sky at great speeds with their wings tucked.