[MARMAM] New Publication: A wild Indo-Pacific bottlenose dolphin adopts a socially and genetically distant neonate

Mai Sakai maimorisaka at gmail.com
Sun Apr 10 23:41:42 PDT 2016


Dear MARMAM colleagues,

We are please to announce the publication of the following paper in
Scientific Reports:

Mai Sakai, Yuki F. Kita, Kazunobu Kogi, Masanori Shinohara, Tadamichi
Morisaka, Takashi Shiina & Miho Inoue-Murayama

Title
A wild Indo-Pacific bottlenose dolphin adopts a socially and genetically
distant neonate

Abstract
Alloparental behaviour and adoption have been reported in many mammals and
birds. Such behaviours are energetically costly, and their causes and
functions remain unclear. We observed the adoption behaviour of a wild
Indo-Pacific bottlenose dolphin (Tursiops aduncus) near Mikura Island,
Japan. A calf was seen with its mother on six observation days. Following
the mother’s death, the calf was observed with a sub-adult female on all 18
observation days from May to September 2012. On three days, the calf was
observed swimming with this female in the suckling position and milk was
seen leaking from the female’s mammary slit. A five-year dataset revealed
no significant social or kin relationships between the biological mother
and allomother, indicating that kinship and social relationships did not
play an important role in the observed adoption.

This paper is freely available at
http://www.nature.com/articles/srep23902

Best regards,

Mai Sakai

――――――――――
Mai Sakai Ph.D., Lecturer
Marine Mammal Research Laboratory
Department of Fisheries, Faculty of Agriculture, Kindai University
3327-204 Nakamachi, Nara, 631-8505, Japan
Tel: +81-742-43-4463
Email: sakaimai at nara.kindai.ac.jp
Web page: http://mm-kindaiuniv.jimdo.com/
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