Grey-backed Tailorbird (Orthotomus derbianus)
Illustration redrawn by AI from a real photograph

Grey-backed Tailorbird

Orthotomus derbianus Moore, F, 1855

11 gWeight

The gray-backed tailorbird (Orthotomus derbianus) is a species of bird formerly placed in the "Old World warbler" assemblage, but now placed in the family Cisticolidae.

Busiest months: February · Most records: Philippines

Least Concern

Where and when it's recorded

Grey-backed Tailorbird has been recorded at 20 of the 8,171 birding hotspots we track, in 1 country or region.

Records by month Northern Hemisphere

Where it's recorded most

  1. La Mesa Eco Park, Quezon CityPhilippines601 records
  2. Jariel's Peak – Restaurant, Bgy. Magsaysay, InfantaPhilippines457 records
  3. Palo Alto, BarasPhilippines247 records
More places
  1. Mt. Makiling Forest Reserve – TrailPhilippines244 records
  2. Victoria Valley - Valley Golf, AntipoloPhilippines163 records
  3. Victoria Valley Subdivision, AntipoloPhilippines149 records
  4. Las Pinas-Paranaque Critical Habitat and Ecotourism AreaPhilippines119 records
  5. IRRI Staff Housing, Los BañosPhilippines115 records
  6. Subic Bay – Nabasan TrailPhilippines73 records
  7. Caylabne Bay Resort, TernatePhilippines71 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 gray-backed tailorbird (Orthotomus derbianus) is a species of bird formerly placed in the "Old World warbler" assemblage, but now placed in the family Cisticolidae. It is endemic to the Philippines and found only on the islands of Luzon and Catanduanes.

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

Questions

How big is the Grey-backed Tailorbird?

The Grey-backed Tailorbird weighs around 11 g.

Where does the Grey-backed Tailorbird live?

Its breeding range: Oriental: Luzon group (northern Philippines). It is most often recorded in Philippines.

When is the best time to see the Grey-backed Tailorbird?

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

Is the Grey-backed Tailorbird endangered?

The IUCN Red List classifies the Grey-backed Tailorbird as Least Concern.

What does the Grey-backed Tailorbird eat?

Main food: Insects & other invertebrates.

What family is the Grey-backed Tailorbird in?

It belongs to the family Cisticolas & Allies (Cisticolidae), order Passerines (Passeriformes).

At a glance

Weight
11 g
Habitat
Forest
Diet
Insects & other invertebrates
Lifestyle
Perches in trees
Migration
Resident (barely migrates)
Conservation
Least Concern
More measurements
Wing
48 mm
Tail
45 mm
Bill
17 mm
Tarsus
20 mm

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

Range

Oriental: Luzon group (northern Philippines)

Breeding range, IOC World Bird List 15.2

Classification

Order
Passerines Passeriformes
Family
Cisticolas & Allies Cisticolidae
Genus
Orthotomus

Other birds in the genus Orthotomus

Common TailorbirdCommon TailorbirdOrthotomus sutoriusDark-necked TailorbirdDark-necked TailorbirdOrthotomus atrogularisCambodian TailorbirdCambodian TailorbirdOrthotomus chaktomukVisayan TailorbirdVisayan TailorbirdOrthotomus castaneicepsGreen-backed TailorbirdGreen-backed TailorbirdOrthotomus chloronotusRufous-fronted TailorbirdRufous-fronted TailorbirdOrthotomus frontalisRufous-tailed TailorbirdRufous-tailed TailorbirdOrthotomus sericeusAshy TailorbirdAshy TailorbirdOrthotomus ruficepsOlive-backed TailorbirdOlive-backed TailorbirdOrthotomus sepiumWhite-eared TailorbirdWhite-eared TailorbirdOrthotomus cinereicepsBlack-headed TailorbirdBlack-headed TailorbirdOrthotomus nigricepsYellow-breasted TailorbirdYellow-breasted TailorbirdOrthotomus samarensis
Grey-backed Tailorbird

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

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