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The path to success for fish sperm

In many animals, males pursue alternative tactics when competing for the fertilization of eggs. Some cichlid fishes from Lake Tanganyika breed in empty snail shells, which may select for extremely divergent mating tactics. ...

date10 hours ago in Plants & Animals
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Chimpanzee calls differ according to context

An important question in the evolution of language is what caused animal calls to diversify and to encode different information. A team of scientists led by Catherine Crockford of the Max Planck Institute for Evolutionary ...

dateMay 23, 2018 in Plants & Animals
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How animals holler

While humans can only broadcast about one percent of their vocal power through their speech, some animals and mammals are able to broadcast 100 percent. The secret to their long-range howls? A combination of high pitch, a ...

dateMay 21, 2018 in Plants & Animals
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Study identifies new virus in cat

Morris Animal Foundation-funded researchers from the University of Sydney have found a previously undiscovered hepadnavirus in an immunocompromised cat, and subsequently in banked feline blood samples. The research team published ...

Classifying frog calls for fighting climate change

The sounds of amphibians are altered by the increase in ambient temperature, which, in addition to interfering with reproductive behaviour, serves as an indicator of global warming. Researchers at the University of Seville ...

The mystery of lime-green lizard blood

Green blood is one of the most unusual characteristics in the animal kingdom, but it's the hallmark of a group of lizards in New Guinea. Prasinohaema are green-blooded skinks, or a type of lizard. The muscles, bones and tongues ...

How the waterwheel plant snaps

The midrib of the leaf (which has been transformed into a snap trap) bends slightly downwards in a flash, the trap halves fold in, and the water flea can no longer escape – as part of an interdisciplinary team Anna Westermeier, ...

Researcher pinpoints optimal age of puppy cuteness

The popular meme proclaiming that all dogs are puppies assumes that humans' adoration of canines is not conditional on their age. But a new study led by Clive Wynne, professor of psychology and director of Arizona State University's ...

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