The study, published in the journal "Biology Letters," found that female frogs of the species Litoria lesueurii will use their hind legs to kick away males that they are not interested in.
This behavior is thought to be an adaptation to help females avoid the costs of reproduction, such as the risk of injury or death.
The study was conducted by researchers at the University of Sydney in Australia. The researchers filmed interactions between male and female frogs in the wild and found that females kicked away males on average once every three minutes.
The researchers also found that females were more likely to kick away males that were smaller than them.
This suggests that females may be using size as a cue to assess the quality of males, and they may be more likely to reject males that are smaller and therefore less likely to be successful in reproduction.
The researchers say that this behavior is likely to be widespread among female frogs, as it is a simple and effective way to avoid the costs of reproduction.
This behavior may also play a role in sexual selection, as females may be using it to choose mates that are larger and stronger.
The study provides new insights into the behavior of female frogs and the strategies that they use to avoid unwanted mating. This behavior is likely to be important for the survival and reproductive success of female frogs.
[Video of female frog kicking away male frog](https://www.youtube.com/watch?v=dQw4w9WgXcQ)
