This is a preview. Log in through your library . Abstract The evolution of reproductive strategies depends on local environmental conditions. When environments are seasonal, selection favors ...

The regulation of seasonal reproduction in sheep is intricately linked to the actions of melatonin, a hormone whose secretion varies with the photoperiod. Central to this process are the melatonin ...

Did you know that not only does organism's body have a biological clock that can tell the time of the day, it can also tell the time of the year? Now, researchers from Japan have found that one ...

Timing of reproduction in a seasonal cycle is a life history trait with important fitness consequences. Capital breeders produce offspring from stored resources and, by decoupling feeding and ...

Osaka, Japan – As the days grow shorter, many animals prepare for the approaching winter by suspending reproduction. Insects, for example, accumulate energy stores while halting ovarian development ...

In the animal kingdom, mating isn’t always about survival. From praying mantises to octopuses, some species die during or ...