Definition: A taxon is Least Concern when it has been evaluated against the criteria and does not qualify for Critically Endangered, Endangered, Vulnerable or Near Threatened. Widespread and abundant taxa are included in this category.
Definition: Organism produces a vocalization that is either structurally more complex or that serves a different function (namely, being used in courtship or pair bond maintenance) than any vocalizations described for that organism that are referred to as "calls" in the literature.