Bibliographic References

CAWARDINE, M. (Ill. by M. Camm):
1995. Whales, Dolphins and Porpoises. The clearest recognition guides available. Dorling Kindersley, London

CORREIA-FAGUNDES, C. & H. ROMANO:
2013. Observation of a birth of a Sperm Whale Physeter macrocephalus at Madeira (NE Atlantic). Bocagiana, 236: 1 - 3.

FREITAS, L., A. DINIS, C. NICOLAU, C. RIBEIRO & F. ALVES:
2012. New records of cetacean species for Madeira Archipelago with an updated checklist. Boletim do Museu Municipal do Funchal, 62 (334): 25 - 43.

SHIRIHAI, H. (Ill. by B. Jarrett):
2006. Whales, dolphins and seals. A field guide to the marine mammals of the world. A. & C. Black, London