Yellow-billed Tern

Yellow-billed Tern

Sternula superciliaris

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
40–50% · Likely
overall probability at Parque Estadual Encontro das Águas

📅 Monthly Probability

40–50
Jan
40–50
Feb
40–50
Mar
40–50
Apr
50–60
May
60–70
Jun
70–80
Jul
50–60
Aug
30–40
Sep
30–40
Oct
10–20
Nov
20–30
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 Parque Estadual Encontro das Águas 🇧🇷 Brazil
40–50%
2 Noel Kempff Mercado National Park 🇧🇴 Bolivia
30–40%
3 Amacayacu National Natural Park 🇨🇴 Colombia
10–20%
4 El Impenetrable National Park 🇦🇷 Argentina
10–20%
5 Anavilhanas National Park 🇧🇷 Brazil
10–20%
6 Tambopata National Reserve 🇵🇪 Peru
0–10%
7 Manu National Park 🇵🇪 Peru
0–10%
8 Cuyabeno Wildlife Reserve 🇪🇨 Ecuador
0–10%
9 Iberá National Park 🇦🇷 Argentina
<5%
10 Yasuní National Park 🇪🇨 Ecuador
<5%
11 Madidi National Park 🇧🇴 Bolivia
<5%
12 Sierra de la Macarena National Park 🇨🇴 Colombia
<5%
13 Cordillera Azul National Park 🇵🇪 Peru
<5%
14 Palo Verde National Park 🇨🇷 Costa Rica
Insufficient data
15 Emas National Park 🇧🇷 Brazil
Insufficient data
16 El Palmar National Park 🇦🇷 Argentina
Insufficient data
17 Tayrona National Natural Park 🇨🇴 Colombia
Insufficient data
18 Canaima National Park 🇻🇪 Venezuela
Insufficient data
19 Henri Pittier National Park 🇻🇪 Venezuela
Insufficient data

Quick answers

What are the chances of seeing a Yellow-billed Tern in Parque Estadual Encontro das Águas?

About 48% of visitor-days record a Yellow-billed Tern sighting in Parque Estadual Encontro das Águas, based on 1268 observer-days of citizen-science data from GBIF.

When is the best time to see Yellow-billed Tern in Parque Estadual Encontro das Águas?

July has the highest sighting rate for Yellow-billed Tern in Parque Estadual Encontro das Águas in our monthly data.

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