Rufous Hornbill (Buceros hydrocorax)
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Rufous Hornbill

Buceros hydrocorax Linnaeus, 1766

1.4 kgWeight

The rufous hornbill (Buceros hydrocorax), also known as the Philippine hornbill and locally as kalaw (pronounced KAH-lau), is a large species of hornbill endemic to the Philippines (the largest hornbill in the country).

Busiest months: March · Most records: Philippines

Vulnerable

Where and when it's recorded

Busiest months: March · Most records: Philippines

Rufous Hornbill has been recorded at 15 of the 8,276 birding hotspots we track, in 1 country or region.

Records by month Northern Hemisphere

Where it's recorded most

  1. Bislig lowlands – PICOP Road 42Philippines226 records
  2. Bislig lowlands – PICOP Road 4Philippines221 records
  3. Jariel's Peak – Restaurant, Bgy. Magsaysay, InfantaPhilippines171 records
More places
  1. Bislig lowlands – PICOP Roads 1-4Philippines99 records
  2. Brgy. Kuden, Senator Ninoy AquinoPhilippines77 records
  3. Bislig lowlands – 321 Quarry TrailPhilippines63 records
  4. Pasonanca Natural Park, Zamboanga City – BalunoPhilippines49 records
  5. Subic Bay – Hill 394 roadPhilippines7 records
  6. Subic BayPhilippines6 records
  7. Bislig lowlands – Old AirportPhilippines3 records

Countries and regions with the most records

Philippines

eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.

About

The rufous hornbill (Buceros hydrocorax), also known as the Philippine hornbill and locally as kalaw (pronounced KAH-lau), is a large species of hornbill endemic to the Philippines (the largest hornbill in the country). It is called the "clock-of-the-mountains" by locals, because of its loud booming call which typically occurs every hour. Rufous hornbills inhabit moist tropical lowland forest areas, and are now regarded as a threatened species.

Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia

Questions

How big is the Rufous Hornbill?

The Rufous Hornbill weighs around 1.4 kg.

Where does the Rufous Hornbill live?

Its breeding range: Oriental: Philippines (except West Visayas, Palawan group and Sulu Archipelago). It is most often recorded in Philippines.

When is the best time to see the Rufous Hornbill?

At the hotspots we track, it is recorded most in March (Northern Hemisphere).

Is the Rufous Hornbill endangered?

The IUCN Red List classifies the Rufous Hornbill as Vulnerable.

What does the Rufous Hornbill eat?

Main food: Fruit.

What family is the Rufous Hornbill in?

It belongs to the family Hornbills (Bucerotidae), order Bucerotiformes.

At a glance

Weight
1.4 kg
Habitat
Forest
Diet
Fruit
Lifestyle
Perches in trees
Migration
Resident (barely migrates)
Conservation
Vulnerable
More measurements
Wing
383 mm
Tail
331 mm
Bill
212 mm
Tarsus
62 mm

Averages from the AVONET dataset; length from field guides where available.

Range

Oriental: Philippines (except West Visayas, Palawan group and Sulu Archipelago)

Breeding range, IOC World Bird List 15.2

Classification

Family
Hornbills Bucerotidae
Genus
Buceros

Other birds in the genus Buceros

Rufous Hornbill

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Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from a reference photo by kevinpearce. ↗

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