pekilliasiun
Pekilliasiun is a term that describes a specific type of vocalization observed in certain species of migratory birds. Primarily associated with the greater crested tern (Thalasseus sandvicensis), pekilliasiun is characterized by a series of rapid, high-pitched chirps interspersed with a deeper, almost guttural rasp. This distinct call is most frequently heard during the pre-migration gathering period and at nesting colonies.
The function of pekilliasiun is not fully understood, but ornithologists hypothesize it plays a role in social
Studies on pekilliasiun have focused on analyzing its acoustic properties and observing the behavioral contexts in