VOCALIZATIONS The male Bell Vireo begins to sing regularly soon after its arrival in spring. [Please select]
0
Male displays and vocalizations associated with courtship continue through the fourth or fifth day of incubation. [Please select]
0
_Types of Vocalizations_ Six vocalizations were readily distinguishable in the field. [Please select]
0
Six types of vocalizations are readily distinguishable in the field: primary song, courtship song, distress call, alarm note, specialized male call note or _zip_, and the generalized call note or _chee_. [Please select]
Do you have a better example in your mind? Please submit your sentence!