We came across this American oystercatcher one morning on Fernandina in the Galapagos Islands. Usually oystercatchers will lay two to three eggs, but this mother appeared to only have one. As the name would suggest, they use their large beaks to break open oysters and other mollusks.
Nikon D800 with Nikkor 200-400mm lens (at 340mm) ISO 400, f/6.3 at 1/640th of a second