| 21. | Because they rely on crypsis to ultrasonic vocalisations out of the human hearing range.
|
| 22. | These vocalisations are known as duets, and generally involve the male and female.
|
| 23. | Marine mammals use vocalisations in many different ways.
|
| 24. | Adult frogs do not give advertisement vocalisations, but may communicate by chemical signalling.
|
| 25. | While morphologically similar, the contrast in their behaviour and vocalisations are quite large.
|
| 26. | Spotted bowerbirds have a diverse range of vocalisations.
|
| 27. | The lyrics to " Sheba " are simply vocalisations set to the backing track.
|
| 28. | As examples of such vocalisation it mentioned " Yahweh " and " Yehovah ".
|
| 29. | Communication in sugar gliders is achieved through vocalisations, visual signals and complex chemical odours.
|
| 30. | In courtship, vocalisation stands to be a primary way for peacocks to attract peahens.
|