White Tern

White Tern

Gygis alba

Silhouette: Vladimir Lysenko (photograph) · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability <5% · Rare
at Manuel Antonio National Park
7 Verified sightings at Manuel Antonio National Park From 2019 to 2026
425 Verified sightings across all 4 parks From 2019 to 2026
September Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the White Tern

The Atlantic white tern (Gygis alba), also known as the common white tern, is a small seabird found in the Atlantic Ocean. It is sometimes known as the fairy tern, although this name is potentially confusing as it is also the common name of Sternula nereis. Other names for the species include angel tern and white noddy. The blue-billed white tern (Gygis candida) and the little white tern (Gygis microrhyncha) have sometimes been considered as subspecies of the Atlantic white tern.

The Atlantic white tern was first formally described by the Swedish naturalist Anders Sparrman in 1786 under the binomial name Sterna alba. The genus Gygis was introduced by the German zoologist Johann Georg Wagler in 1832. The name Gygis is from the Ancient Greek guges for a mythical bird and the specific alba is Latin for "white". The blue-billed white tern (Gygis candida) and the little white tern (Gygis microrhyncha) were formerly considered to be subspecies of the Atlantic white tern.

Molecular phylogenetic studies have shown that the white terns are more closely related to the noddies (Anous) than they are to the other terns. This implies that "white noddy" would be a more appropriate English... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Isla del Coco National Park 🇨🇷 Costa Rica
~80%
2 Manuel Antonio National Park 🇨🇷 Costa Rica
<5%
3 Marino Ballena National Park 🇨🇷 Costa Rica
Insufficient data
4 Cabo Blanco Absolute Nature Reserve 🇨🇷 Costa Rica
Insufficient data

Quick answers

What are the chances of seeing a White Tern in Manuel Antonio National Park?

Under 5% of wildlife watchers report a White Tern sighting in Manuel Antonio National Park, based on 7 verified sightings from GBIF citizen-science data.

When is the best time to see White Tern in Manuel Antonio National Park?

September has the highest sighting rate for White Tern in Manuel Antonio National Park in our monthly data.

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