SeaWorld was known for its shows that feature killer whales doing tricks for an audience, but they’ve been phasing out these shows because of complaints from animal welfare groups. The critics have also wanted SeaWorld to end captive breeding of orcas, or killer whales. Recently the SeaWorld CEO announced it will end captive breeding of killer whales. It will expand other attractions, and increase rescue operations of marine mammals. Since orcas have a long life, they will introduce new, natural encounters with their orcas. Listen to hear more about the changes at SeaWorld.
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December 30, 2015
7:21
Humpback whales sing and continually change their songs. In the 1960’s Navy engineers used underwater microphones to record sounds in the ocean to locate enemy ships. They happened to also record whale sounds. Scientists studied these sounds and discovered that only male humpback whales sing and they gradually modify their songs. The humpback’s songs have patterns and rhythms and are not just random sounds. Listen to hear more about how sound is used to learn about the life of whales.
Read MoreNovember 5, 2015
4:53
If you have looked closely at the eyes of different animals, you will notice their pupils come in various shapes: round, vertical or horizontal ovals or crescents. Scientists now think they know the reason behind the shape of some animals’ pupils. There is diversity in shape because it depends on how big the animal is and whether it’s a predator or prey. It also relates to their view of the horizon. Listen to hear more about the new discovery and what it can tell us about animals and evolution.
Read MoreJune 23, 2014
7:23
A new research article has ruffled the feathers of some scientists. The study questions whether it’s damaging endangered populations of birds and other species to collect them for scientific study. Many scientists see the collection of rare animals as a way to discover diseases and understand the past, while some ethicists see collection as a threat to small endangered animal populations. Listen to this audio story to learn more.
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