The Alagoas foliage-gleaner (Philydor novaesi) is an extinct passerine bird in the Furnariinae subfamily of the ovenbird family Furnariidae.

[3] The Alagoas foliage-gleaner's specific epithet commemorates the Brazilian ornithologist Fernando da Costa Novaes.

In 2003 up to four were seen at a second site, the private preserve RPPN Frei Caneca in Pernambuco, about 50 km (31 mi) north of Murici.

[4][5][6][7] The Alagoas foliage-gleaner's dimensions and weights were recorded from three male and one female specimens, all adults.

Their chin, throat, and most of their underparts are dull rufescent; their flanks are slightly duller and their undertail coverts more rufous.

Their iris is brown, their maxilla blackish, their mandible ivory, and their legs and feet greenish horn.

[1] The Alagoas foliage-gleaner was most often observed as single or paired birds within mixed-species foraging flocks.

The Alagoas foliage-gleaner's song is "a high-pitched rattle descending slightly in pitch and lasting 3–5 sec".

[4][10][11] The two sites where the species was known are small fragments of the formerly extensive Atlantic Forest, which has been almost totally cleared for timber, charcoal, grazing, and sugar cane production.