Related topics: marine mammal · gulf of mexico

Were Panamanian islanders dolphin hunters?

Precolombian seafarers left what is now mainland Panama to settle on Pedro González Island in the Perlas archipelago about 6,000 years ago, crossing 50-70 kilometers (31-44 miles) of choppy seas—probably in dugout canoes. ...

Fossil specimen reveals a new species of ancient river dolphin

The careful examination of fossil fragments from Panama has led Smithsonian scientists and colleagues to the discovery of a new genus and species of river dolphin that has been long extinct. The team named it Isthminia panamensis. ...

Solomon Islands dolphins pay heavy price for teeth

Residents of the tiny village of Fanalei in the Solomon Islands killed more than 1,600 dolphins in 2013 for their teeth, a local currency and popular adornment, researchers said Wednesday.

Just like humans, dolphins have social networks

They may not be on Facebook or Twitter, but dolphins do, in fact, form highly complex and dynamic networks of friends, according to a recent study by scientists at Harbor Branch Oceanographic Institute (HBOI) at Florida Atlantic ...

Heart arrhythmias detected in deep-diving marine mammals

A new study of dolphins and seals shows that despite their remarkable adaptations to aquatic life, exercising while holding their breath remains a physiological challenge for marine mammals. The study, published January 15 ...

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