1. Home
  2. Nature
  3. Birds
  4. Gull-billed Tern

Gull-billed Tern

Gelochelidon nilotica · Gulls, Terns, and Skimmers

Gull-billed Tern (Gelochelidon nilotica) is in the Gulls, Terns, and Skimmers family (Laridae). Across the U.S., iNaturalist users have logged 2,757 research-grade observations of it in our sample, peaking in April.

Seasonal pattern in the national data: summer visitor / breeder. Counts also reflect when people are out photographing, so compare months within a state rather than across states.

When to photograph Gull-billed Tern: observations by month (U.S.)

JanFebMarAprMayJunJulAugSepOctNovDec

About Gull-billed Tern

The gull-billed tern (Gelochelidon nilotica), formerly Sterna nilotica, is a tern in the family Laridae. It is now considered to be in its own genus. The genus name is from Ancient Greek gelao, "to laugh", and khelidon, "swallow". The specific niloticus is from Latin and means of the Nile.From Wikipedia via iNaturalist — article, CC BY-SA.

Gull-billed Tern by state

StateObservationsPeak monthMain season
Texas937AprilMar–May
California580AprilApr–Jul
Florida344AugustApr–Sep
New Jersey278MayMay–Aug
Louisiana160AprilApr–May
New York98JulyMay–Aug
South Carolina67MayApr–Jul
North Carolina64MayMay–May
Mississippi63AprilApr–Jul
Alabama62AprilApr–May
Virginia30JuneMay–Jul
Georgia27MayApr–Jul
Delaware15JulyJun–Aug
Massachusetts13JuneJun–Jun
Maryland10JuneMay–Sep
Connecticut5JuneJun–Jun

Main season = months with at least 30% of the state's peak-month count.

Related birds (Gulls, Terns, and Skimmers)

Photography tips

  • Use a fast shutter (1/2000 s or faster) for birds in flight.
  • Focus on the eye and shoot at the bird's eye level.
  • Approach slowly and stop if the bird changes behavior; never bait or flush birds.
  • Morning activity peaks in the first two hours after sunrise.

FAQ

When is the best time to photograph Gull-billed Tern?
Nationally, April has the most observations, with the main season from April to August.
Where is Gull-billed Tern most often seen?
The most observations come from Texas, California, Florida.