Slaty-bellied Tesia (Tesia olivea)
Illustration redrawn by AI from a real photograph

Slaty-bellied Tesia

Tesia olivea (McClelland, 1840)

≈8.8 cmLength7 gWeight

The slaty-bellied tesia (Tesia olivea) is a species of warbler in the family Cettiidae.

Busiest months: February · Most records: Thailand, India, China

Least Concern

How to identify

Where and when it's recorded

Slaty-bellied Tesia has been recorded at 85 of the 8,171 birding hotspots we track, in 8 countries and regions.

Records by month Northern Hemisphere

Where it's recorded most

  1. Doi Inthanon NP – summitThailand764 records
  2. Doi Inthanon NPThailand489 records
  3. Doi Inthanon NP – Mae Ouam (Km 34.5)Thailand415 records
More places
  1. Doi Inthanon NP – Jeep Track (Km 37.5)Thailand272 records
  2. Doi Inthanon NP – Checkpoint #2Thailand209 records
  3. Dihing Patkai NP – SoraipungIndia176 records
  4. Baihualing [General Area]China140 records
  5. Dihing Patkai NP – SoraipungIndia138 records
  6. Yongkhola campBhutan98 records
  7. Doi Pha Hom Pok NP – Doi Lang (E)Thailand70 records

Countries and regions with the most records

ThailandIndiaChinaBhutanVietnamMyanmar (Burma)LaosBangladesh

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

Questions

How big is the Slaty-bellied Tesia?

The Slaty-bellied Tesia is about ≈8.8 cm long and weighs around 7 g.

Where does the Slaty-bellied Tesia live?

Its breeding range: Oriental: northeastern India to northern Vietnam. It is most often recorded in Thailand, India and China.

When is the best time to see the Slaty-bellied Tesia?

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

Is the Slaty-bellied Tesia endangered?

The IUCN Red List classifies the Slaty-bellied Tesia as Least Concern.

What does the Slaty-bellied Tesia eat?

Main food: Insects & other invertebrates.

What family is the Slaty-bellied Tesia in?

It belongs to the family Cettia Bush Warblers & Allies (Cettiidae), order Passerines (Passeriformes).

At a glance

Length
≈8.8 cm
Weight
7 g
Habitat
Forest
Diet
Insects & other invertebrates
Lifestyle
Active on the ground
Migration
Resident (barely migrates)
Conservation
Least Concern
More measurements
Wing
48 mm
Tail
20 mm
Bill
12 mm
Tarsus
22 mm

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

Range

Oriental: northeastern India to northern Vietnam

Breeding range, IOC World Bird List 15.2

Subspecies · 1
  • Tesia olivea olivea e Himalayas to s China and n Myanmar

Classification

Order
Passerines Passeriformes
Genus
Tesia

Other birds in the genus Tesia

Grey-bellied TesiaGrey-bellied TesiaTesia cyaniventerRusset-capped TesiaRusset-capped TesiaTesia everettiJavan TesiaJavan TesiaTesia superciliarisYellow-bellied WarblerYellow-bellied WarblerAbroscopus superciliarisRufous-faced WarblerRufous-faced WarblerAbroscopus albogularisBlack-faced WarblerBlack-faced WarblerAbroscopus schisticepsMountain TailorbirdMountain TailorbirdPhyllergates cucullatusRufous-headed TailorbirdRufous-headed TailorbirdPhyllergates heterolaemusBroad-billed WarblerBroad-billed WarblerTickellia hodgsoniPhilippine Bush WarblerPhilippine Bush WarblerHorornis seebohmi
Slaty-bellied Tesia

Download illustration

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

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