| Reference no. | Harrison, P., 1987 |
| Ecosystem | Western Galapagos Islands |
| Status | endemic |
| Abundance | |
| Lifestage | adults |
| Regional database | |
| Remarks | It breeds on Fernandina and Isabela, while smaller groups occur at James, Santa Cruz and Floreana (Ref. 91362). C: Refs. 91362, 84934. |