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Seismic survey effects on whales and dolphins

The ocean is a noisy place, as, unlike light and other possible stimuli, sound can travel very efficiently in seawater. Anthropogenic noise pollution in the marine environment is becoming a large concern – underwater noise created by ships and other human-related sources can be detected many kilometres away, far beyond what would be seen or […]

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A small step for krill, a giant leap for spineless invertebrates

Probably made famous by the deep-thinking and entertaining Will and Bill from Happy Feet Two, krill are small shrimp-like crustaceans that play a big role in our ecosystems. Euphausids, or krill, comprise a group of about 85 species worldwide, and though there are many species in southern Africa it is unfortunately not common to see […]

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Bryde’s Whales forever in the bay

While most people excitedly anticipate the arrival of the humpback and southern right whales sometime during June or July their migration from sub-antarctic waters, many may forget or overlook our near shore resident species, the Bryde’s whale Balaenoptera brydei. Both the humpback and southern right whales are bigger in size, personality, approachability, and visibility than […]

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Humpback Whales – we’re happy they’re back in Plett

Come June, eyes are kept peeled for that elusive blow as boat trips start taking a turn off the point and further to sea searching, and hoping, for the first sighting of a Humpback Whale Megaptera novaeangliae. Humpback Whales are large animals, measuring 13-14 m in length and weighing 30-40 tonnes. They have a big […]

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Humpback Whale Migrations

  Beginning in the late Summer and early Autumn, we at Ocean Blue Adventures are always excited in anticipation of seeing Humpback Whales passing Plettenberg Bay on their annual breeding migration. Initially, the whales can be seen heading north as they travel to the tropical and sub-tropical waters of northern Mozambique, southern Tanzania and Madagascar […]

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