BBC: Why scientists are using a crossbow to study whales

Conservation scientists are studying the health of Antarctic whales using a custom-made crossbow.

The researchers use the device to take remote biopsies from wild humpback whales in order to study the health of the animals.

It’s an effort that is revealing how the food supply of Antarctic whales could be affected by climate change. With sea ice declining at an alarming rate in this fragile environment, the whales’ giant bodies hold clues about the effect that’s having on the whole marine ecosystem.

BBC science correspondent Victoria Gill joined a whale research mission, led by the wildlife charity WWF, in the Antarctic Peninsula.

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Sarah Kienle
Aquadocs: Sleepy Antarctic Seals

On this week's episode of Aquadocs, host Michelle Greenfield interviews Dr. Sarah Kienle, assistant professor at Baylor, about her experience conducting remote field work with pinnipeds in Antarctica. Tune in as we talk about the process of sedating and collecting samples from these incredible creatures and highlight the importance of training veterinarians to support remote field expeditions.

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Sarah Kienle
Studying Leopard Seals in Antarctica

This oceanbites post was contributed by guest author Sarah Kienle. Sarah is a PhD student at the University of California Santa Cruz. Sarah is a NOAA Nancy Foster Scholar who studies marine mammals, and recent research took her and her lab to Antarctica to study leopard seals. The original version of this post and more information about the trip and research in the Costa lab can be found on the Costa Lab website.

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Juvenile elephant seals returning to Piedras Blancas

…Great white sharks typically attack from below and behind their prey. The relationship between predator and prey is a balance, between attack and avoidance. UC Santa Cruz researcher Sarah Kienle is studying elephant seal feeding behavior at Guadalupe Island off Baja California. Her collaborators have observed that seals returning to that island are likely to approach the beaches from below. …

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ArticleSarah Kienle2017