Place: Plaza Sur, Galapagos
Date: 18 August 2010.
[Phaethon aethereus, Family Phaethontidae, Order Phaethontiformes, Wikipedia Entry: Red-billed tropicbird]
The sound of the red-billed tropicbird (borrowed from the Xeno-Canto website, recordist Jesse Fagan)
Marnix's Bird Gallery 