Partridges, pigeons, and several species of the Natatores at certain seasons, arrive in great numbers.
"A Narrative of Captivity in Abyssinia With Some Account of the Late Emperor Theodore, His Country and People"
Henry Blanc
The late Mr. Barrett discovered in it, near Cambridge, in 1858, the remains of a bird, which was rather larger than the common pigeon, and probably of the order Natatores, and which, like most of the Gull tribe, had well-developed wings.
"The Student's Elements of Geology"
Sir Charles Lyell