Grey-bellied Tesia vs Chestnut-crowned Bush Warbler

In short

The Grey-bellied Tesia and Chestnut-crowned Bush Warbler are both small, elusive birds in the Cettiidae family, but they can be distinguished by their head markings and tail length. The Grey-bellied Tesia has a distinctive short tail and lacks a prominent supercilium, while the Chestnut-crowned Bush Warbler features a chestnut crown and a more defined supercilium.

Identification tips

1. Look for the chestnut crown and more defined supercilium on the Chestnut-crowned Bush Warbler. 2. Note the short tail and absence of a prominent supercilium in the Grey-bellied Tesia. 3. Listen for the higher-pitched song of the Grey-bellied Tesia compared to the richer notes of the Chestnut-crowned Bush Warbler.

Size

Both species are small, but the Grey-bellied Tesia is notably more compact with a shorter tail.

Plumage

The Grey-bellied Tesia has a grey belly and lacks the chestnut crown that is characteristic of the Chestnut-crowned Bush Warbler. The latter also has a more pronounced supercilium.

Behaviour

Both species are secretive and often found in dense undergrowth, but the Grey-bellied Tesia tends to be more terrestrial, often seen hopping on the ground.

Habitat

Both species inhabit dense undergrowth in forested areas, but the Grey-bellied Tesia is more often found in subtropical or tropical moist montane forests.

Voice

The vocalizations of these species differ, with the Grey-bellied Tesia having a higher-pitched, more tinkling song compared to the Chestnut-crowned Bush Warbler's richer, more melodious notes.