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Echidnas don't have very good vision, but they have a strong sense of smell and hearing. When they feel threatened, echidnas will roll into a ball so that only their spiky back is exposed. Echidnas ...
媒体英语. Images prove 'lost echidna' not extinct影像证明一种多年不见踪影的针鼹并未灭绝. 科学家们首次拍摄到以戴维·阿滕伯勒爵士的名字命名的一种古老的卵生哺乳动物—— Attenborough long-beaked echidna阿滕伯勒长喙针鼹。此前人们认为这种针鼹恐怕已经灭绝,但这些影像证明事实并非如此。
Echidnas can grow up to 20 inches (52 centimeters) in length, weigh up to 13 pounds (6 kilograms) and have long snouts, tongues and claws. There are four species of echidna that are alive today ...
A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding could upend what’s known of their evolution.
NPR's Mary Louise Kelly talks with Regina Barber and Aaron Scott of Short Wave about building cellular 'robots,' the bizarre sleeping habits of chinstrap penguins, and a lost echidna found again.
Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. The echidna is a gentle little animal. It's about the same size as a soccer ball. Those long pointy ...
Australia's burrowing echidna evolved from a water-dwelling ancestor in an "extremely rare" biological event, scientists said Tuesday in a new study of the peculiar egg-laying mammals. "While that ...
In what is thought to be the first encounter of its kind to be witnessed by scientists, a tiger shark has been spotted vomiting up a dead echidna whole off the coast of an Australian island.
A tiger shark has surprised Australian scientists on an ocean research trip by regurgitating a spiky land-loving echidna in front of them. Researchers from James Cook University said Thursday that ...
It's echidna breeding season, and one scientist likens it to a reality TV show, saying females will be followed by a male "train" of suitors for several weeks. Skip to main content.