Swallowtail Gulls

Swallowtail gulls are endamic meaning that they are only found in the galapagos Islands. The birds feed only at night time. The red eyering act as sonar during hunting for fish at night. These birds have developed the capability to hunt at night so that they dont have to compete with other birds for fish. The white marks on its base and beak help the chicks in the nest to see the arrival of the parents at night.