| He observed that the tail moves during vocalization in crows, warbling vireos, and lovebirds. |
| Herein, we consider two main hypotheses to assess the possible function of the post-copulatory vocalization of fallow bucks. |
| The computer recorded the elapsed time between word presentation and vocalization. |
| Use of vocalizations with the moving model is particularly effective in preventing habituation to the model alone. |
| Are sooty mangabeys able to distinguish between vocalizations of familiar individuals and strangers? |
| The result underscores the necessity of searching for intermediacy when analyzing vocalizations of geographically distant populations. |
