The Blog Aquatic » dolphin http://blog.oceanconservancy.org News, opinions, photos and facts from Ocean Conservancy Thu, 28 Aug 2014 17:32:30 +0000 en-US hourly 1 http://wordpress.org/?v=3.4.2 Wallpaper Wednesday: Smartphone Wallpapers http://blog.oceanconservancy.org/2012/08/01/wallpaper-wednesday-smartphone-wallpapers/ http://blog.oceanconservancy.org/2012/08/01/wallpaper-wednesday-smartphone-wallpapers/#comments Wed, 01 Aug 2012 17:57:15 +0000 Guest Blogger http://blog.oceanconservancy.org/?p=2044 Keep the wonders of the ocean at your fingertips with one of this week’s new smartphone wallpapers. Click on one of the images below and save it to your phone or click here for further downloading instructions and other wallpaper selections.

Shells

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Bottlenose Dolphin

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Harp Seal

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How to help an injured animal http://blog.oceanconservancy.org/2012/07/09/how-to-help-an-injured-animal/ http://blog.oceanconservancy.org/2012/07/09/how-to-help-an-injured-animal/#comments Mon, 09 Jul 2012 20:15:17 +0000 Carmen Yeung http://blog.oceanconservancy.org/?p=1374

Note: After receiving questions from readers, I have written a follow-up post here.

While on vacation, I came across a crab entangled in a fishing net at a local, beachside restaurant.  My time working with crustaceans in science laboratories and in the field gave me the necessary familiarity with their movements and behaviors to handle the animal without hurting it or myself. Armed with this knowledge, I quickly and carefully untangled the piece of fishing net that had wound up tightly on the crab and placed him gently back on the local beach.

Without the proper qualifications, attempting to help a hurt animal in the wild could result in further injury. So what should you do if you encounter an entangled animal at the beach?

In cases of marine crustaceans, I wouldn’t recommend picking up a live crab because it’s still a wild animal and you don’t have to be a biologist to know those pinches hurt. The best way to help them is to reduce the chances of entanglement by keeping trash off the beach. If a crab or other small animal is no longer alive (and it doesn’t gross you out), consider disposing of the garbage entangling the animal to protect larger scavengers (such as seabirds) from suffering a similar fate at mealtime.

If you see a sick, injured, or dead marine mammal or sea turtle, please report the animal by calling a stranding center nearest you. Do not touch or move the animal because you could further injure the animal and also hurt yourself. Keep other people and pets at least 50 feet away from the animal because getting too close could stress the animal. Check out The Marine Mammal Center’s seven steps to help a stranded marine mammal for more information.

Many animal injuries are preventable. Most importantly, you and I have the power to reduce those injuries. As the summer rolls on, remember to properly dispose trash (including fishing lines), admire wildlife from a safe distance and enjoy the water!

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Hector’s Dolphins Make Unlikely Comeback http://blog.oceanconservancy.org/2012/04/26/hectors-dolphins-make-unlikely-comeback/ http://blog.oceanconservancy.org/2012/04/26/hectors-dolphins-make-unlikely-comeback/#comments Thu, 26 Apr 2012 15:03:04 +0000 Jennifer Savage http://blog.oceanconservancy.org/?p=242

The distinctive-looking Hector's dolphins are New Zealand's only endemic cetacean. Credit: NOAA

All over the world, marine protected areas do exactly what they’re supposed to  – a superior job of keeping sea creatures safe from harm. Good news, but what’s particularly exciting is a new study showing that marine protected areas improve survival for marine mammals.

For 21 years, ecologists in New Zealand studied a marine protected area near Christchurch. The area provides shelter for one of the rarest dolphin species in the world, Hector’s dolphins. These small dolphins boast distinctive black-and-white markings and an unusually rounded dorsal fins. They’re also notable for a sadder reason – once hunted as “bait”, often tangled in gillnets, currently threatened by pollution, the Hector’s dolphin population has dwindled to a fraction of what it once was.

But like the nickname “hope spots“ suggests, optimism for the species’ survival springs anew. The study results showed that since the marine protected area was designated, a significant shift has occurred: instead of continued decline, the Hector’s dolphin population has notably increased. Study author Dr. Liz Slooten noted, “This study provides the first empirical evidence that Marine Protected Areas are effective in protecting threatened marine mammals.”

This is a bright moment for dolphins, whales and pinnipeds everywhere. In California, for example, many of our new marine protected areas assure a place of refuge for not only fish, but for whales, dolphins, sea lions and seals. Some of the recently created ocean parks encompass feeding, resting and breeding grounds with the goal of reducing competition for food, disturbance (from noise and lights of fishing boats) and reducing entanglement risks in those key areas:

1. The Farallon Islands are most notorious for the great white sharks concentrated in nearby waters – but it’s the fact that the Farallons are home to the largest marine mammal colonies in the continental United States south of Alaska that brings the great whites to the area. Despite recognition from past presidents and the United Nations, only a small portion of the islands were actually protected.  Now, over 25 percent of the coastal waters off the Farallon Islands enjoy complete protection all year round.

2. A deepwater canyon within Monterey Bay provides a feeding ground for whales. Soquel Canyon has also historically served as place spot prawn trappers would drop their traps. This combination increased the risk of whales tangling in the trap lines – a risk diminished by the establishment of a marine protected area in the region.

3. South of San Francisco, Año Nuevo draws thousands of tourists keen to see the breeding elephant seals. About 2,000 pups are born in Año Nuevo each year – a vast improvement for a species hunted to near-extinction during the 1800s. To ensure their continued recovery, a marine protected area was sited near the elephant seals’ haulout location to reduce risk of entanglement and disturbance from fishing boats.

 

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