Rufous-necked Hornbill
Rufous-necked HornbillRufous-necked HornbillRufous-necked HornbillRufous-necked Hornbill

Rufous-necked Hornbill

Aceros nipalensis

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
20–30% · Possible
overall probability at Namdapha National Park
307 Verified records at Namdapha National Park
June Best month highest sighting rate
🌅 Crepuscular When it's active at dawn and dusk

The rufous-necked hornbill (Aceros nipalensis) is a species of hornbill in Bhutan, northeastern India, especially in Arunachal Pradesh, Indian subcontinent and Southeast Asia. It is locally extinct in Nepal due to hunting and significant loss of habitat. There are less than 10,000 adults left in the wild. With a length of about 117 cm (46 in), it is among the largest Bucerotine hornbills. The underparts, neck and head are pigmented as a rich rufous in the male, but black in the female. Wikipedia →

20–30% of wildlife watchers report a Rufous-necked Hornbill sighting in Namdapha National Park, based on 307 days of visitor records from GBIF citizen-science data.

Closest Relatives at Namdapha National Park

Wreathed Hornbill
VU

Wreathed Hornbill

🌅 Crepuscular Bird

Rhyticeros undulatus

40–50% · Likely
Great Hornbill
VU

Great Hornbill

🌅 Crepuscular Bird

Buceros bicornis

20–30% · Possible
Austen's Brown Hornbill
NT

Austen's Brown Hornbill

🌅 Crepuscular Bird

Anorrhinus austeni

10–20% · With luck
Oriental Pied Hornbill
LC

Oriental Pied Hornbill

🌅 Crepuscular Bird

Anthracoceros albirostris

Insufficient data
Common Hoopoe
LC

Common Hoopoe

☀️ Diurnal Bird

Upupa epops

<5% · Rare

📅 Monthly Probability

30–40
Jan
20–30
Feb
30–40
Mar
20–30
Apr
30–40
May
30–40
Jun
20–30
Jul
30–40
Aug
20–30
Sep
20–30
Oct
10–20
Nov
20–30
Dec

🌅 When They're Spotted

Most active at dawn and dusk · across all parks (global)

🌅Crepuscular
☀️🌙🌙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 Royal Manas National Park 🇧🇹 Bhutan
30–40%
2 Namdapha National Park 🇮🇳 India
20–30%

Quick answers

What are the chances of seeing a Rufous-necked Hornbill in Namdapha National Park?

About 27% of wildlife watchers report a Rufous-necked Hornbill sighting in Namdapha National Park, based on 307 days of visitor records from GBIF citizen-science data.

When is the best time to see Rufous-necked Hornbill in Namdapha National Park?

June has the highest sighting rate for Rufous-necked Hornbill in Namdapha National Park in our monthly data.

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