Limestone Leaf Warbler

Phylloscopus calciatilis

Least Concern · IUCN Red List

LCLeast ConcernInvertebratesForestTiny · 6 g

ID tip

The limestone leaf warbler (Phylloscopus calciatilis) is smaller than the sulphur-breasted warbler (Phylloscopus ricketti) and has more rounded wings and a proportionately elongated bill. Although a smaller species, the bill is proportionately larger than that of the sulphur-breasted warbler. The plumage is nearly identical, with only a slightly lighter yellow below a grey tinge. Comparisons between these two species suggest it is doubtful that they can be reliably distinguished by plumage alone. The holotype has a wing length of 5.2 cm; in the paratype a tail length of 3.

Text from Wikipedia, licensed CC BY-SA 4.0.

When to see the Limestone Leaf Warbler

One bar for each month. Filled bars are the 7 months with records; pale bars are months with none. The wide bar is March, the month with the most records.

Where to see the Limestone Leaf Warbler

Regular range

The map shades 3 countries with regular records. Everything unshaded has no records. Countries are listed below the map.

About the Limestone Leaf Warbler

The limestone leaf warbler is a species of warbler in the family Phylloscopidae. When this species was first seen, beginning in 1994, it was mistaken for the similar sulphur-breasted warbler. It is smaller than the sulphur-breasted warbler, and has more rounded wings. The plumage is almost identical, with comparisons showing only a slightly colder yellow below and a greyer tinge above. Although smaller, the bill is proportionally larger than that of the sulphur-breasted warbler. Accurate measurements are not available; the holotype has a wing length of 5.2 cm (2.0 in); the paratype a tail length of 3.7 cm (1.5 in) and a bill length of 1.39 cm (0.55 in).

Text adapted from Wikipedia, licensed CC BY-SA 4.0.

Easily confused with

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