Black-naped Tern

Black-naped Tern

Sterna sumatrana

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
0–10% · With luck
overall probability at Bali Barat National Park

📅 Monthly Probability

0–10
Jan
0–10
Feb
<5
Mar
<5
Apr
<5
May
<5
Jun
0–10
Jul
10–20
Aug
0–10
Sep
10–20
Oct
0–10
Nov
<5
Dec

🕐 When They’re Spotted

🕐

Daily activity pattern needs at least 5 timestamped observations in GBIF. Not enough data yet for this species globally.

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 Bali Barat National Park 🇮🇩 Indonesia
0–10%
2 Taroko National Park 🇹🇼 Taiwan
Insufficient data
3 Daintree National Park 🇦🇺 Australia
Insufficient data
4 Kinabatangan Wildlife Sanctuary 🇲🇾 Malaysia
Insufficient data

Quick answers

What are the chances of seeing a Black-naped Tern in Bali Barat National Park?

About 7% of visitor-days record a Black-naped Tern sighting in Bali Barat National Park, based on 51 observer-days of citizen-science data from GBIF.

When is the best time to see Black-naped Tern in Bali Barat National Park?

August has the highest sighting rate for Black-naped Tern in Bali Barat National Park in our monthly data.

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