Science news articles about 'female frogs'
A never-before-heard clicking from female frogs while mating prompts males to perform.
... female frogs don’t call; most lack or have only rudimentary vocal cords. A typical female ... and ultrasonic frequencies. The team has not observed females vocalizing in the wild (these frogs are nocturnal and can leap up to 30 ...
Túngaras tune out the mating calls of males from other species
Research on a species of frog has found that the female frogs deliberately mate with up to eight different males, making sure that all their eggs don’t end up in one nest.
... of adult male frogs, emasculating three-quarters of them and turning one in 10 into females, according to a new ... distinguish genetically male from genetically female frogs. Male frogs have two identical sex ... and a W – the opposite of XX female and XY male humans. But because all frog chromosomes look ...
... University have shown that levonorgestrel can cause sterility in female frogs at concentrations not much higher than those measured ... that an environmental progestogen can adversely affect frogs," says Cecilia Berg. Female tadpoles that swam in water ...
... ) -- New research shows that the offspring of promiscuous female frogs have a higher rate of survival than those who remain monogamous, according to Macquarie University biologist, Associate Professor ...
... a choice between calls with different numbers of chucks, we found that the female frogs prefer calls with the most chucks, but based ... . Testing bats in a behavioral test similar to that used with female frogs, the team showed that bats compared ...
... . What was it? I looked more closely. Before breakfast.Big mistake. It was the swollen corpse of a female frog, crushed senseless by a gang of males ...
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