They realized that the offspring of early Neanderthal-modern human matings likely stayed with Neanderthals, leaving no trace ...

The world's great white sharks are divided into three genetically distinct lineages, each facing unique conservation ...

Stallion Spotlight offers stud farm representatives a chance to address breeders and answer questions as they plan their ...

I am asking: what degree of developmental flexibility exists? How does each morph obtain matings? What controls the morph ratio? Is reproductive success per morph negatively frequency-dependent? Does ...

Other investigators might ask me to check vaginal plugs for timed matings, cut tails for DNA extraction, look for phenotypical behaviors or assist in tissue collection. Because of the variability ...

In the span of about a week, she lays four eggs in one male’s nest while continuing to mate openly with him and others—“as many as 65 matings for one clutch,” Wrege says. Even in ...

Males arousing during hibernation may also mate with torpid females. Females store sperm from autumn and winter matings. Fertilization occurs in the spring as females leave hibernation to form nursery ...

The female appears to choose "high-quality" males endowed with desirable traits for these "extra pair" matings. For example, female great reed warblers of Scandinavia select males with a larger ...

One percent of males are small female mimics, which lack ornamental breeding plumage (See Biology Letters 2:161-164 (2006)), do not engage in male display, and appear to obtain matings at lek by ...

Even after they’ve run the analysis through her new system, “a breeder may decide to go for the high-risk mating, and take ...

Martin Stevens gets the lowdown, as it were, on the big news from Whitsbury Manor Stud in Good Morning Bloodstock ...