White-fronted Tern

White-fronted Tern

Sterna striata

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
50–60% · Likely
overall probability at Rakiura National Park
822 Verified records at Rakiura National Park
November Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

The white-fronted tern (Sterna striata), also known as tara, sea swallow, black-billed tern, kahawai bird, southern tern, or swallow tail, was first described by Johann Friedrich Gmelin in 1789. A medium-sized tern with an all-white body including underwing and forked tail, with pale grey hues on the mantle and upper side of the wing. In breeding adults a striking black cap covers the head from forehead to nape, leaving a small white strip above the black bill. This is the most abundant tern in New Zealand. It can be observed feeding on shoaling fish along the entire coastline and many of the smaller outlying islands. Breeding occurs from October to January on rocky cliffs, offshore islands and along the coast where pairs will nest on shingle, sand, shell or rock. Wikipedia →

50–60% of wildlife watchers report a White-fronted Tern sighting in Rakiura National Park, based on 822 days of visitor records from GBIF citizen-science data.

📅 Monthly Probability

50–60
Jan
60–70
Feb
50–60
Mar
40–50
Apr
20–30
May
20–30
Jun
20–30
Jul
20–30
Aug
40–50
Sep
60–70
Oct
70–80
Nov
60–70
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 Rakiura National Park 🇳🇿 New Zealand
50–60%
2 Fiordland National Park 🇳🇿 New Zealand
10–20%
3 Abel Tasman National Park 🇳🇿 New Zealand
10–20%
4 Royal National Park 🇦🇺 Australia
<5%
5 Arthur's Pass National Park 🇳🇿 New Zealand
Insufficient data
6 Freycinet National Park 🇦🇺 Australia
Insufficient data
7 Great Otway National Park 🇦🇺 Australia
Insufficient data

Quick answers

What are the chances of seeing a White-fronted Tern in Rakiura National Park?

About 58% of wildlife watchers report a White-fronted Tern sighting in Rakiura National Park, based on 822 days of visitor records from GBIF citizen-science data.

When is the best time to see White-fronted Tern in Rakiura National Park?

November has the highest sighting rate for White-fronted Tern in Rakiura National Park in our monthly data.

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