Alternative name: Mountain Warbler
- Phylloscopus trivirgatus
Identification
10–11 cm (4-4¼ in)
- Head with yellow central crown and supercilium alternating with black stripes.
- Plain greenish upperparts
- Yellow underparts
Variation
Subspecies sarawacensis is brighter yellow while subspecies kinabaluensis lacks yellow and is mostly grey.
Distribution
Southeast Asia: found in Malay Peninsula, (Malaysia and possibly into Thailand) as well as Greater and Lesser Sundas (Borneo, Brunei, Sumatra, Java, and Bali, east to Lombok and Sumbawa in Indonesia)
Taxonomy
Negros Leaf Warbler was formerly included in this species.
Subspecies
Clements recognizes the below subspecies [1]. Ranges given for each of these do not come from Clements but instead from a field guide for the area, as the authors have local knowledge[2].
- P.t. parvirostris: Malay Peninsula
- P.t. trivirgatus: Sumatra, Java, Bali, Lombok, and Sumbawa
- P.t. kinabaluensis: Mountains of north-eastern Borneo (Mt. Kinabalu)
- P.t. sarawacensis: Mountains of the rest of Borneo (Poi Mountains of western Sarawak)
Habitat
Broadleaf montane and evergreen submontane forests down to 800 m asl in most areas and to 450 m in Lumbok and Sumbawa.
Behaviour
Diet
Their diet consists almost entirely of small insects and larvae, particularly ants and caterpillars. They feed either alone or in pairs, but also frequently joins mixed species flocks.
Breeding
They construct a dome-shaped nest and place it on the ground or into a hole. Their clutch consists of 2-3 eggs.
References
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2018. The eBird/Clements checklist of birds of the world: v2018. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Eaton, JA, B van Balen, NW Brickle, FE Rheindt 2021. Birds of the Indonesian Archipelago (Greater Sundas and Wallacea), Second Edition. Lynx Editions. ISBN978-84-16728-44-2
- Handbook of the Birds of the World Alive (retrieved October 2018)
- Clement, P. (2022). Mountain Leaf Warbler (Phylloscopus trivirgatus), version 1.1. In Birds of the World (S. M. Billerman and N. D. Sly, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.mouwar2.01.1
Recommended Citation
- BirdForum Opus contributors. (2025) Mountain Leaf Warbler. In: BirdForum, the forum for wild birds and birding. Retrieved 7 May 2025 from https://www.birdforum.net/opus/Mountain_Leaf_Warbler
External Links
GSearch checked for 2020 platform.1
