The swallow-tailed gull is an equatorial seabird in the gull family Laridae. It is the only fully nocturnal gull and seabird in the world, preying on squid and small fish which rise to the surface at night to feed on plankton.
Similar species: Shorebirds And Allies
By Eric_S
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Uploaded Aug 22, 2023. Captured May 30, 2023 19:31 in 398V+H5 Puerto Baquerizo Moreno, Ecuador.