Interestingly, the genetically modified mice still showed the classic male-mating repertoire mounting, penetration and ejaculation.
The males are known for their loud mating songs that sound like hissing chirps.
Scientists said her hormone levels suggest she is very close to an annual 36-hour mating window.
Less than a minute into it, we're treated to a mating (in the water no less).
So I thought who better to give advice on love and mating than animals.
Perhaps we are in the very early stages in the mating dance between MMR and Chevron.
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This is obviously more achievable for women than it is for men, given human mating habits.
Another saw the use of a robot sage grouse hen to study their real-life mating habits.
Frank Sinatra sang about a mating game in which men and women played their timeless roles.
Now, she added, the post-proposal time period is considered its own step in the mating process.
Annoyed by the party crasher at their mating game, at least 100 salmon shot off into the jade water.
The male hen harrier is famous for its spectacular looping "sky-dance", part of an elaborate mating ritual.
Dawn, dusk and mating season in the fall and early winter tend to be especially dangerous times.
The mating pair were both speared in an attack on the water near Throop Mill in Bournemouth.
In addition, they used a "population dynamics" model describing the mating patterns and breeding success of emperor penguins.
Zoo chiefs have begun fertility tests on Edinburgh's female panda, Tian Tian, ahead of the spring mating season.
Dr Anderson's models suggest that lower levels of disassortative mating cannot stop an epidemic, they merely postpone it.
Throughout the past week the zoo swapped the pandas between enclosures in an effort to prepare them for mating.
The midnight sounds of mating season at the moment suggest that the programme still has some distance to run.
However, the mating period lasts less than two days and they are kept separate for rest of the year.
The tests will give an early indication of when Tian Tian's hormones will be at their peak for mating.
Carlisle City Council said the birds could become "territorial" during the summer which is the mating and nesting season.
The partial explanation for Africa's plight that disassortative mating provides should not, however, bring false comfort in other areas.
One possibility is that lefty snails have difficulty mating with their right-handed relations.
The male cicadas do the wooing with a mating calling that, in large numbers, comes across as a high-pitched roar.
The deliberate mating of close relatives, in particular, had left animals suffering from epilepsy, breathing problems and deformities, it claimed.
The very fact that so many turtles died while mating at Messel Lake suggests something odd was going on there.
Sandhill cranes mate for life, and if it is their first mating season, the bonding begins around the time they get to Nebraska.
Scientists have been monitoring Tian Tian and signs that she was nearing mating season included grumpy behaviour and loss of appetite.
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