And among some African species recently discovered by Dr Rowson, things get even more bizarre: some have spiny or thorny genitalia, or arrow-like love darts "that make the mating of leopard slugs look tame", he says.
A fungal disease that has killed amphibians worldwide may be spreading by making the mating calls of infected males more attractive to females.
A fungal disease that is killing amphibians worldwide may be spreading by making the mating calls of infected males more attractive to females.
Typically, only the male fly in a pair will sing, while the female is silent and makes the mating decisions.
However, the male in our study was very young and we sampled the whole body rather than just reproductive tissue, making the mating-gift hypothesis less convincing.
We think that it is exactly this mechanism that makes the mating types victorious in the spatial model at many parameter combinations that allowed for coexistence in the mean-field approximation.
Sailors used to get images of Christ inked on to their backs to make the first mate reluctant to use the whip on them.
I don't make the rules, mate, I just enforce them.
The next step is to make the individual mate allocations.
Although biparental care, EPM, mate guarding and punishment are shared by many species, gossiping and blackmailing make the human mating system unique.
