Thai National Parks

Species of Thailand

Butler's narrow-mouthed frog

Microhyla butleri, George Albert Boulenger, 1900

(In Thai: อึ่งลายเลอะ)

The painted chorus frog (Microhyla butleri, also commonly known as Butler's narrow-mouthed toad, Butler's pigmy frog, Butler's rice frog, Butler's ricefrog, noisy frog, or tubercled pygmy frog) is a species of frog in the family Microhylidae. It is found in northeast India, Myanmar, southern China, Hong Kong, Taiwan, Thailand, Cambodia, Laos, Vietnam, Peninsular Malaysia, and Singapore.

Its natural habitats are subtropical or tropical moist lowland forest, subtropical or tropical moist montane forest, subtropical or tropical moist shrubland, swamps, intermittent freshwater marshes, arable land, plantations, rural gardens, ponds, open excavations, and irrigated land. It is not considered threatened by the IUCN.

Microhyla butleri have skin that is smooth or with small smooth warts above. They are brownish on their back, pale reddish on the sides and limbs, and whitish beneath. Male Microhyla butleri grow to a snout-vent length of 21 - 23 mm and females to 23 - 26 mm.

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Scientific classification

Microhyla butleri

Common names

  • English:
    • Butler's narrow-mouthed frog
    • Noisy chorus frog
    • Butler's ricefrog
    • Tubercled pygmy frog
    • Butler's rice frog
  • Thai: อึ่งลายเลอะ


  • Microhyla cantonensis, Chen (1929)
  • Microhyla sowerbyi, Leonhard Hess Stejneger (1924)
  • Microhyla grahami, Leonhard Hess Stejneger (1924)
  • Microhyla latastii, George Albert Boulenger (1920)
  • Microhyla boulengeri, Carl Christoph Vogt (1913)

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)


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Microhyla butleri
Microhyla butleri

Range Map

Distribution map of Butler's narrow-mouthed frog, Microhyla butleri in Thailand
  • Hala-Bala Wildlife Sanctuary
  • Huai Kha Khaeng Wildlife Sanctuary
  • Kaeng Krachan District, Phetchaburi
  • Khao Chamao - Khao Wong National Park
  • Khao Pu - Khao Ya National Park
  • Khao Sam Roi Yot National Park
  • Khao Yai National Park
  • Mueang Chumphon District, Chumphon
  • Nam Nao National Park
  • Phu Kradueng National Park
  • Prachantakham District, Prachinburi
  • Sakaerat Environmental Research Station
  • Suan Phueng District, Ratchaburi
  • Tha Takiap District, Chachoengsao
  • Than Bok Khorani National Park
  • Thung Khai Botanic Garden
  • Thung Yai Naresuan Wildlife Sanctuary
  • Ton Nga-Chang Wildlife Sanctuary
  • Yong Waterfall National Park
Range map of Microhyla butleri in Thailand