BBC’s Andrew Cotter commentates penguin parade on Australia’s Phillip Island

Voiceover narrates fairy penguin’s high-stakes waddle from shoreline to burrows in parade that used to attract thousands of visitors nightly

With live sport now a scarce resource, BBC commentator Andrew Cotter has lent his distinctive voice to the fairy penguins of Phillip Island.

He has narrated the birds’ nightly waddle back to their burrows, turning Victoria’s famous penguin parade into a high-stakes, long-distance race.

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Warty comb jelly, scourge of fisheries, also eats its young

Researchers say cannibalistic tendency may help explain why the invasive creatures thrive

When the going gets tough, most parents try to protect their offspring. But the warty comb jelly takes a different tack: it eats them.

Despite initial appearances, comb jellies are not jellyfish but belong to a different group of animals, ctenophora, which swim using tiny hair-like projections called cilia.

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Fruity and irresistible: male lemurs’ wrist scent seduces females

‘Stink flirting’ observation may be first finding of primate sex pheromones, say scientists

An irresistible floral scent dabbed on the body may sound like a cliche from a perfume advert, but it appears to play a role in how male ring-tailed lemurs attract a mate.

Researchers in Japan say they have identified the odours males waft at females, and shown the latter’s attention is indeed captured by the pong.

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Ranger captures moment grizzly bear emerges from hibernation in Canada – video

A hulking grizzly bear has found online stardom after he was caught groggily emerging from hibernation on camera. Canadian ranger Nicole Gagnon filmed the end of Boo's hibernation on her phone, a moment she said she had been waiting to document for eight years. It has since been viewed over 100,000 times on Twitter. Boo, 18, draws thousands of tourists every year to his 20-acre enclosure near the town of Golden, Canada

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Moo swings? Cows go through disruptive puberty too – study

Scientists say animals can become more or less bold and adventurous as they grow up

Humans are not alone in enduring the rollercoaster ride of puberty as powerful hormones flood the body and cause mood swings from one day to the next. Scientists have found that dairy cows pass through a similar phase of emotional confusion that disturbs their otherwise rather stable personalities.

The findings emerged from extensive observations of Holstein dairy cattle as they matured from calves to adulthood. “Our study identified a period of inconsistency in personality traits over puberty,” said Nina Von Keyserlingk, a professor of animal welfare at the University of British Columbia in Canada.

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Scientists give cuttlefish 3D glasses and shrimp films for vision study

Researchers use 3D glasses, films and food to test whether cuttlefish use stereopsis to find prey

There are some questions in science that can only be answered by strapping a pair of 3D glasses to an unsuspecting cuttlefish and setting it loose in an underwater movie theatre.

That, at least, was the thinking of a team of researchers who set themselves the task of working out how the marine molluscs know how far away prey is before launching their explosive, tentacled attacks.

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Cha-cha-chimp? Ape study suggests urge to dance is prehuman

Chimpanzees seen clapping, tapping and swaying along to piano rhythms in a music booth

Akira stands up and sways about. Pal is big on clapping. Ai is into tapping her foot, while Gon bangs and slaps the walls.

Not the latest teen band sensation, but a spectacle far more impressive: the moves of a group of chimpanzees that scientists believe shed light on the prehistoric origins of human dancing.

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See you later, trotting alligators – many crocodiles can gallop

Scientists believe galloping may have first emerged in crocs’ ancient cat-sized ancestors

Crocodiles have never had a friendly reputation, but they may just have become even scarier. Veterinary scientists have discovered that a surprising number of species are capable of galloping when they reach their top speeds.

Previously it was thought that only a couple of crocodile species were able to use this horse-like gait, but the latest observations show that the ability extends to eight different species. Alligators and caimans, by contrast, can manage only a trot.

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Footage shows world’s fastest ants at top speed – video

New video footage reveals the world's fastest ants galloping across the scorching sand of the Sahara at speeds approaching one metre per second, which is the equivalent of a house cat tearing about at 120mph.

Researchers have found that at full pelt the Saharan silver ants can travel 108 times their body length per second in gallops that brought all six legs off the ground at once

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Pushy bonobo mothers help sons find sexual partners, scientists find

High-ranking mothers lead sons to groups of females and keep guard while they mate

Their mothers are so keen for them to father children that they usher them in front of promising partners, shield them from violent competitors and dash the chances of other males by charging them while they are at it.

For a bonobo mother, it is all part of the parenting day, and analysis finds the hard work pays off. Males of the species that live with their mothers are three times more likely to father offspring than those whose mothers are absent.

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