Sandwich Tern
Sandwich TernSandwich TernSandwich TernSandwich Tern

Sandwich Tern

Thalasseus sandvicensis

5–10% · With luck
overall probability at Biotopo Cerro Cahuí
9 Verified records at Biotopo Cerro Cahuí
February Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

The Sandwich tern (Thalasseus sandvicensis) is a tern in the family Laridae. It is very closely related to the lesser crested tern (T. bengalensis), Chinese crested tern (T. bernsteini), Cabot's tern (T. acuflavidus), and elegant tern (T. elegans) and has been known to interbreed with both elegant and lesser crested terns. It breeds in the Palearctic from Europe to the Caspian Sea, and winters in the Mediterranean and on the coasts of Africa, India, and Sri Lanka. The Sandwich tern is a medium-large tern with pale silvery-grey upperparts, white underparts, a yellow-tipped black bill, and a shaggy black crest which becomes less extensive in winter with a white crown. Young birds bear grey and blackish scalloped plumage on their backs and wings. It is a vocal bird. Wikipedia →

5–10% of wildlife watchers report a Sandwich Tern sighting in Biotopo Cerro Cahuí, based on 9 days of visitor records from GBIF citizen-science data.

Closest Relatives at Biotopo Cerro Cahuí

Royal Tern

Royal Tern

☀️ Diurnal Bird

Thalasseus maximus

10–20% · With luck
Laughing Gull
LC

Laughing Gull

☀️ Diurnal Bird

Leucophaeus atricilla

20–30% · Possible
Caspian Tern
LC

Caspian Tern

☀️ Diurnal Bird

Hydroprogne caspia

Insufficient data
Northern Jacana
LC

Northern Jacana

☀️ Diurnal Bird

Jacana spinosa

20–30% · Possible
Spotted Sandpiper
LC

Spotted Sandpiper

☀️ Diurnal Bird

Actitis macularius

5–10% · With luck
Willet

Willet

☀️ Diurnal Bird

Tringa semipalmata

Insufficient data
Solitary Sandpiper
LC

Solitary Sandpiper

☀️ Diurnal Bird

Tringa solitaria

Insufficient data
Pomarine Jaeger
LC

Pomarine Jaeger

☀️ Diurnal Bird

Stercorarius pomarinus

Insufficient data
Least Sandpiper
NT

Least Sandpiper

☀️ Diurnal Bird

Calidris minutilla

Insufficient data
Greater Yellowlegs
NT

Greater Yellowlegs

☀️ Diurnal Bird

Tringa melanoleuca

Insufficient data
Killdeer
NT

Killdeer

☀️ Diurnal Bird

Charadrius vociferus

Insufficient data
Black-necked Stilt
Endemic

Black-necked Stilt

☀️ Diurnal Bird

Himantopus mexicanus

Insufficient data

📅 Monthly Probability

<5
Jan
20–30
Feb
5–10
Mar
<5
Apr
<5
May
<5
Jun
5–10
Jul
<5
Aug
<5
Sep
5–10
Oct
<5
Nov
<5
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Ría Lagartos Biosphere Reserve 🇲🇽 Mexico
50–60%
2 Celestún Biosphere Reserve 🇲🇽 Mexico
40–50%
3 Paracas National Reserve 🇵🇪 Peru
20–30%
4 Península Valdés 🇦🇷 Argentina
20–30%
5 Namib-Naukluft National Park 🇳🇦 Namibia
10–20%
6 Wadden Sea National Park 🇩🇪 Germany
10–20%
7 Las Baulas Marine National Park 🇨🇷 Costa Rica
10–20%
8 Jaragua National Park 🇩🇴 Dominican Republic
10–20%
9 Table Mountain National Park 🇿🇦 South Africa
5–10%
10 Tayrona National Natural Park 🇨🇴 Colombia
5–10%
11 Snowdonia National Park 🇬🇧 United Kingdom
5–10%
12 iSimangaliso Wetland Park 🇿🇦 South Africa
5–10%
13 Garden Route National Park 🇿🇦 South Africa
5–10%
14 Los Haitises National Park 🇩🇴 Dominican Republic
5–10%
15 Biotopo Cerro Cahuí 🇬🇹 Guatemala
5–10%
16 Arrecifes de Cozumel National Park 🇲🇽 Mexico
5–10%
17 La Amistad International Park (Panama) 🇵🇦 Panama
5–10%
18 Sian Ka'an Biosphere Reserve 🇲🇽 Mexico
5–10%
19 Bastimentos Island National Marine Park 🇵🇦 Panama
<5%
20 Doñana National Park 🇪🇸 Spain
<5%
21 Marino Ballena National Park 🇨🇷 Costa Rica
<5%
22 Coiba National Park 🇵🇦 Panama
<5%
23 Piedras Blancas National Park 🇨🇷 Costa Rica
<5%
24 Ostional Wildlife Refuge 🇨🇷 Costa Rica
<5%
25 Tortuguero National Park 🇨🇷 Costa Rica
<5%
26 Corcovado National Park 🇨🇷 Costa Rica
<5%
27 Santa Rosa National Park 🇨🇷 Costa Rica
<5%
28 Addo Elephant National Park 🇿🇦 South Africa
<5%
29 Cabo Blanco Absolute Nature Reserve 🇨🇷 Costa Rica
<5%
30 Machalilla National Park 🇪🇨 Ecuador
<5%
31 Darién National Park 🇵🇦 Panama
<5%
32 Ciénaga de Zapata 🇨🇺 Cuba
<5%
33 Everglades National Park 🇺🇸 United States
<5%
34 Soberanía National Park 🇵🇦 Panama
<5%
35 Gandoca-Manzanillo Wildlife Refuge 🇨🇷 Costa Rica
<5%
36 Big Cypress National Preserve 🇺🇸 United States
<5%
37 Fertő-Hanság National Park 🇭🇺 Hungary
<5%
38 Carara National Park 🇨🇷 Costa Rica
<5%
39 Pyrénées National Park 🇫🇷 France
<5%
40 Main Ridge Forest Reserve 🇹🇹 Trinidad and Tobago
Insufficient data
41 Biebrza National Park 🇵🇱 Poland
Insufficient data
42 Utría National Natural Park 🇨🇴 Colombia
Insufficient data
43 San Lorenzo Protected Forest 🇵🇦 Panama
Insufficient data
44 Cahuita National Park 🇨🇷 Costa Rica
Insufficient data
45 Henri Pittier National Park 🇻🇪 Venezuela
Insufficient data
46 Manuel Antonio National Park 🇨🇷 Costa Rica
Insufficient data
47 Palo Verde National Park 🇨🇷 Costa Rica
Insufficient data
48 Białowieża National Park 🇵🇱 Poland
Insufficient data
49 Parque Natural Metropolitano 🇵🇦 Panama
Insufficient data
50 Yala National Park 🇱🇰 Sri Lanka
Insufficient data
51 Cairngorms National Park 🇬🇧 United Kingdom
Insufficient data

Quick answers

What are the chances of seeing a Sandwich Tern in Biotopo Cerro Cahuí?

About 6% of wildlife watchers report a Sandwich Tern sighting in Biotopo Cerro Cahuí, based on 9 days of visitor records from GBIF citizen-science data.

When is the best time to see Sandwich Tern in Biotopo Cerro Cahuí?

February has the highest sighting rate for Sandwich Tern in Biotopo Cerro Cahuí in our monthly data.

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