three birds flying over a wave in the ocean

Title: Fork-tail petrel : Thalassidroma leachii. Male, 1. Female, 2. c.1 v.3 plate 260 Artist: Audubon, John James, 1785-1851 Engraver: Havell, Robert, 1793-1878 Name on Item: Drawn from nature by J. J. Audubon F.R.S. F.L.S. Engraved, printed & coloured by R. Havell, London, 1835. Date: 1835 https://www.digitalcommonwealth.org/search/commonwealth:9s16d417w