[MARMAM] new publication

Errol Ronje errol.ronje at gmail.com
Fri Sep 4 13:15:10 PDT 2020


Please note a new short communication is available: " Intraspecific
Aggression Towards Common Bottlenose Dolphin Calves, Northern Gulf of
Mexico"

The publication is open-access and available at this link:
https://aquila.usm.edu/gcr/vol31/iss1/7/
Abstract

Infanticide has been widely documented throughout the animal kingdom, and
has generally been viewed as an evolved, or adaptive behavior for the
perpetrators. Infanticide motivated by increased sexual access to females
with calves, or the elimination of potential genetic competition in the
form of calf-directed aggression or infanticide, has been proposed for
delphinids including killer whales, Indo-Pacific humpback dolphins, Guiana
dolphins, and bottlenose dolphins. However, reports of intraspecific
aggression towards bottlenose dolphin calves are relatively infrequent, and
accounts of confirmed infanticide are rarer still. Reporting instances of
intraspecific calf-directed aggression aids researchers to better
understand the socio-behavioral context of these aggressive interactions.
Here, we report an incident of conspecific aggression towards a calf in a
small group of common bottlenose dolphins near Sabine Lake, northwestern
Gulf of Mexico. We discuss the behavioral context, and surveyed other
researchers to attempt to gauge the prevalence of perceived aggressive
interactions among the bottlenose dolphin groups they study in the northern
Gulf of Mexico.
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