Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
nīdĭfĭco, āre, v. n. [nidus-facio], to build a nest: nidificant aves, Col. 8, 15, 5; 8, 8, 3: sola piscium nidificat ex algā, Plin. 9, 26, 42, § 81: turdi luto nidificantes, id. 10, 53, 74, § 147.
Prov.: sic vos non vobis nidificatis aves, Verg. ap. Don. Vit. Verg. 17.