Research led by scientists at the University of Pretoria (UP) has shed light on an evolutionary arms race with a twist. The research has found that the small Heaviside’s dolphins (Cephalorhynchus heavisidii) selectively switch between cryptic, high frequency, echolocation sounds used to search for prey, and lower frequency communication sounds which help to maintain their highly social lifestyle.
Story
Nine new trapdoor spider species have been discovered in the Great Karoo by researchers at the University of Pretoria’s (UP) Department of Zoology and Entomology, and the Agricultural Research Council (ARC).
Infographic
Trapdoor spiders hide in underground burrows that are covered with a cork-like lid made of soil, silk and plants. Learn more about trapdoor spiders with this infographic.
Video
Watch carefully to see how a trapdoor spider catches its prey through its trapdoor.
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