Royal Tern

Royal Tern

Thalasseus maximus

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
<5% · Rare
overall probability at Galápagos Islands

📅 Monthly Probability

<5
Jan
<5
Feb
<5
Mar
<5
Apr
<5
May
<5
Jun
<5
Jul
<5
Aug
<5
Sep
<5
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
60–70%
2 Jaragua National Park 🇩🇴 Dominican Republic
60–70%
3 Paracas National Reserve 🇵🇪 Peru
30–40%
4 Celestún Biosphere Reserve 🇲🇽 Mexico
30–40%
5 Península Valdés 🇦🇷 Argentina
30–40%
6 Ostional Wildlife Refuge 🇨🇷 Costa Rica
30–40%
7 Cabo Blanco Absolute Nature Reserve 🇨🇷 Costa Rica
30–40%
8 Los Haitises National Park 🇩🇴 Dominican Republic
30–40%
9 Bahía de Loreto National Park 🇲🇽 Mexico
30–40%
10 Las Baulas Marine National Park 🇨🇷 Costa Rica
30–40%
11 Ciénaga de Zapata 🇨🇺 Cuba
20–30%
12 El Vizcaíno Biosphere Reserve 🇲🇽 Mexico
20–30%
13 Bastimentos Island National Marine Park 🇵🇦 Panama
20–30%
14 Arrecifes de Cozumel National Park 🇲🇽 Mexico
20–30%
15 Cahuita National Park 🇨🇷 Costa Rica
20–30%
16 Sian Ka'an Biosphere Reserve 🇲🇽 Mexico
20–30%
17 Utría National Natural Park 🇨🇴 Colombia
20–30%
18 Biotopo Cerro Cahuí 🇬🇹 Guatemala
10–20%
19 Coiba National Park 🇵🇦 Panama
10–20%
20 Channel Islands National Park 🇺🇸 United States
10–20%
21 Tortuguero National Park 🇨🇷 Costa Rica
10–20%
22 La Amistad International Park (Panama) 🇵🇦 Panama
10–20%
23 Everglades National Park 🇺🇸 United States
10–20%
24 Tayrona National Natural Park 🇨🇴 Colombia
10–20%
25 Machalilla National Park 🇪🇨 Ecuador
0–10%
26 Santa Rosa National Park 🇨🇷 Costa Rica
0–10%
27 Marino Ballena National Park 🇨🇷 Costa Rica
0–10%
28 Gandoca-Manzanillo Wildlife Refuge 🇨🇷 Costa Rica
0–10%
29 Corcovado National Park 🇨🇷 Costa Rica
0–10%
30 Palo Verde National Park 🇨🇷 Costa Rica
<5%
31 Piedras Blancas National Park 🇨🇷 Costa Rica
<5%
32 Soberanía National Park 🇵🇦 Panama
<5%
33 Henri Pittier National Park 🇻🇪 Venezuela
<5%
34 Main Ridge Forest Reserve 🇹🇹 Trinidad and Tobago
<5%
35 Galápagos Islands 🇪🇨 Ecuador
<5%
36 Darién National Park 🇵🇦 Panama
<5%
37 Manuel Antonio National Park 🇨🇷 Costa Rica
<5%
38 Chagres National Park 🇵🇦 Panama
<5%
39 Carara National Park 🇨🇷 Costa Rica
<5%
40 Tapantí-Macizo de la Muerte National Park 🇨🇷 Costa Rica
Insufficient data
41 Calakmul Biosphere Reserve 🇲🇽 Mexico
Insufficient data
42 Cañón del Sumidero National Park 🇲🇽 Mexico
Insufficient data
43 Cumbres de Monterrey National Park 🇲🇽 Mexico
Insufficient data
44 San Lorenzo Protected Forest 🇵🇦 Panama
Insufficient data
45 Blue and John Crow Mountains National Park 🇯🇲 Jamaica
Insufficient data
46 Caroni Swamp 🇹🇹 Trinidad and Tobago
Insufficient data
47 Lago de Yojoa 🇭🇳 Honduras
Insufficient data
48 Cerro Azul Meámbar National Park 🇭🇳 Honduras
Insufficient data
49 Pico Bonito National Park 🇭🇳 Honduras
Insufficient data
50 Parque Natural Metropolitano 🇵🇦 Panama
Insufficient data
51 Redwood National Park 🇺🇸 United States
Insufficient data
52 Arenal Volcano National Park 🇨🇷 Costa Rica
Insufficient data

Quick answers

What are the chances of seeing a Royal Tern in Galápagos Islands?

About 2% of visitor-days record a Royal Tern sighting in Galápagos Islands, based on 117 observer-days of citizen-science data from GBIF.

When is the best time to see Royal Tern in Galápagos Islands?

October has the highest sighting rate for Royal Tern in Galápagos Islands in our monthly data.

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