1. Observational study of behavior: Sampling methods;Altmann;Behaviour,1974
2. Pilot aerial study of the marine megafauna in northern coast Alagoas;Alves;Braz. Trop. Oceanogr.,2013
3. ) Stereotypical behaviour in captive West Indian manatee (Trichechus manatus);Anzolin;J. Mar. Biol. Ass. UK,2014
4. Comportamento de peixes-bois | Guia ilustrado;Attademo,2019
5. Active touch performance in the Antillean manatee: evidence for a functional differentiation of facial tactile hairs;Bachteler;Zool. (Jena. ),1999