Hybrid (biology) are the mule, a cross between a female horse and a male donkey, and the hinny, a cross between a female donkey and a male horse. Pairs of complementary types like the mule and hinny are called reciprocal hybrids. Among many other mammal crosses are hybrid camels, crosses between a bactrian camel and a dromedary. The first known instance of hybrid speciation in marine mammals was discovered in 2014. The clymene dolphin ("Stenella clymene") is a hybrid of two Atlantic species, the spinner and striped dolphins. Cagebird breeders sometimes breed bird hybrids known as mules between species of finch, such
Social groups in male and female prisons in the United States Southwest. She found that officers consistently expressed a preference to work in men's prisons, citing differences between male and female inmates as the main cause; officers perceive female inmates to be more difficult to manage, more likely to question an instruction, and less respectful than males. Many respondents also characterized female inmates as more emotional and therefore more likely to become inexplicably violent, while male violence is rationalized as having understandable goals. In this way, female violence is seen as irrational and ineffective whereas male violence is seen as meaningful and understandable. Britton notes that these perceptions seemed to be