No fair looking at the pictures yet. Now, what would you guess to be the most abundant bird in North America? And the male of which species has the most females within the care of its territory? If ...

American Journal of Botany, Vol. 80, No. 1 (Jan., 1993), pp. 45-52 (8 pages) The population genetics and mating system of the understory tropical rain forest tree Psychotria faxlucens were studied at ...

A portion of the phylogenetic tree of the squirrel family (Sciuridae) illustrates how promiscuous ancestral species (black dots) gave rise to both monogamous species (blue dots) and polygynous species ...

Vertebrate mating systems are influenced by ecological and phylogenetic factors, and the variation observed in mating behavior is frequently attributable to the extent to which male assistance in the ...

We have developed a new model for mating system analysis, which attempts to distinguish among alternative modes of self-oriented mating within populations. This model jointly estimates the rates of ...

'A forest with bonobos has never been so quiet': Most extreme case of violence in 'hippie' species recorded, with females ganging up on male in unprecedented attack Some naked mole rats are designated ...

A species of frog native to the Brazilian Atlantic rainforest is the first amphibian found to mate exclusively with the same two females throughout its breeding season. Fábio de Sá at São Paulo State ...

Engineers at Kennedy Space Center are testing the newest in umbilical technology in support of NASA’s Space Launch Initiative (SLI)-a technology development effort to establish reliable, affordable ...

Santa Ana, Calif. — The VEAM NRG sequential mating system in a 19-inch rack from ITT Electronic Components guarantees the correct mating and unmating sequence for the company's Powerlock power ...

Traditional explanations for why some animals are monogamous and others are promiscuous or polygamous have focused on how the distribution and defensibility of resources (such as food, nest sites, or ...