Jungle Babbler
Argya striata
The jungle babbler's habitat is forest and cultivation. This species, like most babblers, is non-migratory, and has short rounded wings and a weak flight. The sexes are identical, drably coloured in brownish grey with a yellow-bill making them confusable only with the endemic yellow-billed babblers of peninsular India and Sri Lanka. The upper parts are usually slightly darker in shade and there is some mottling on the throat and breast. Subspecies somervillei of Maharashtra has a very rufous tail and dark primary flight feathers.
ID text from Wikipedia, CC BY-SA 4.0

Yellow-billed Babbler
Argya affinis
These birds have grey brown upperparts, a grey throat and breast with some mottling, and a pale buff belly. The head and nape are grey, and the eyes are bluish white. The nominate race, found in southern India, has a whitish crown and nape, with a darker mantle. The rump is pale and the tail has a broad dark tip. The Sri Lankan subspecies A. a. taprobanus is drab pale grey. Birds in the extreme south of India are very similar to the Sri Lankan subspecies with the colour of the crown and back being more grey than the nominate race.
ID text from Wikipedia, CC BY-SA 4.0

Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Jungle Babbler and Yellow-billed Babbler.