Male zebra finches can learn male-typical vocalizations from hormone-treated female tutors

Article Abstract:

Females producing male-typical vocalizations are equally effective vocal tutors as males, and young males are able to independently select their song and long-call tutor. Parental care, including feeding, aggressive interactions, total number of interactions of any kind and re-nesting behavior affect the tutor choice of young male zebras. Hormone-treated females are vocal tutors as frequently as adult males, although they continue to look like typical females.

Learning in animals, Animal learning, Zebra finch

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Do sperm whales share coda vocalizations? Insights into coda usage from acoustic size measurement

Article Abstract:

The investigations of whether coda types are shared across individuals and whether coda repertoires recorded from sperm whale social units are genuinely unit repertoires are discussed. The codas recorded from the animals represent a shared repertoire, whereby coda production is not limited to a single animal and coda types are shared between individuals within the unit.

Sperm whale, Sperm whales, Bioacoustics

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Cattle vocalizations are associated with handling and equipment problems at beef slaughter plants

Article Abstract:

Use of defective equipments and mishandling by staff are discussed as major reasons of vocalizations of cattle in slaughter houses.

United States, Management dynamics, Animal Services, Except Veterinary, Animal Welfare, Environment, Conservation and Wildlife Organizations, Management, Cattle, Company business management, Slaughtering and slaughter-houses, Slaughterhouses, Animal vocalization

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