Great Shearwater Ardenna gravis



They form large colonies in breeding season. Both parents incubate the eggs. The visits to the nests are made at night to avoid predation by gulls.

The nest is placed in a burrow in grassy hill. They lay one white egg. Incubation takes about 55 days.

Recommended Citation

Great Shearwater (Ardenna gravis), In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. retrieved from Neotropical Birds Online: