beak formation
The process that gives rise to the beak. This process pertains to the initial formation of a structure from unspecified parts. The avian beak is an external anatomical structure, in the head region, that is adapted for feeding self and young, catching prey, probing, etc. It encompasses, but is not restricted to, the maxilla, mandible, maxillary rhamphotheca, mandibular rhamphotheca, nostril, nasal fossa, nasal bones, egg tooth and rictus.
GO:0048646
anatomical structure formation involved in morphogenesis
is_a
GO:0071729
beak morphogenesis
part_of