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zoology

Life

Female frogs sometimes play dead to avoid mating with males

Frog mating can be a competitive and sometimes deadly affair as many males compete for females – but females have some tricks to avoid unwanted attention

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Two common frogs mating

Life

Exquisite spider fossils from Australia offer clues to their evolution

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Brush-footed spider

Life

Young seabird couples get 'divorced' with little immediate benefit

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Two thick-billed murres
A zebrafish

Life

Zebrafish produce sunscreen to protect their embryos from UV light

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A whiptail lizard

Life

Lizards on a US Army base are stress eating due to helicopter noise

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Big cats, such as lions and tigers, have tested positive for the coronavirus before, but this is the first known case of a lion probably transmitting the infection to zoo workers

Health

Lion infected with covid-19 probably passed it on to two zoo workers

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Traditional cooperative fishing between Lahille's bottlenose dolphins and artisanal net-casting fishers in Laguna, Brazil. CREDIT Photo by Mauricio Cantor, Department of Fisheries, Wildlife and Conservation Sciences, Marine Mammal Institute, Oregon State University.

Life

Dolphins that help humans catch fish are more likely to survive

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A wolf looking for prey on Pleasant Island, Alaska

Life

Wolves are eating sea otters after depleting an Alaskan island’s deer

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An elephant using its trunk to pick up a banana

Life

Elephant trunks are very dexterous because they are so wrinkly

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A snapping shrimp (Alpheus heterochaelis) at night

Life

Snapping shrimps have helmets to ward off shock waves from their claws

Snapping shrimps seem immune to the shock waves their claws produce to kill or stun other animals – and it is all thanks to their head gear

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Rhinella unapensis was first identified on a campus of the National University of the Peruvian Amazon

Life

New-to-science toad species discovered on university campus in Peru

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kakapo parrot

Environment

Rare kakapo parrot is genetically healthy despite being very inbred

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Crayfish

Environment

Antidepressants leaking into waterways could make crayfish bolder

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Hainan gibbons

Environment

Artificial rope bridges help stop rare primates jumping to extinction

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