noun
- Perching birds mostly small and living near the ground with feet having 4 toes arranged to allow for gripping the perch; most are songbirds; hatchlings are helpless.
- synonyms: passerine
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). passeriform bird. Retrieved September 21, 2026, from http://smartdefine.org/passeriform_bird/definitions/1300637 |
| Chicago | WordNet. 2010. "passeriform bird" http://smartdefine.org/passeriform_bird/definitions/1300637 (accessed September 21, 2026). |
| Harvard | WordNet 2010, passeriform bird, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/passeriform_bird/definitions/1300637>. |
| MLA | WordNet. "passeriform bird" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/passeriform_bird/definitions/1300637> |