For instance, most alphapapillomaviruses are found in Homo sapiens, the exceptions being other primate hosts.

The daily sleep of plants, and their winter sleep, present in this respect exactly similar phenomena […]

To name just several, male toads (Bufo bufo) sometimes amplect other males, female Japanese macaques (Macaca fuscata) mount one another and engage in genital contact, and male flour beetles (Tribolium castaneum) will mount and attempt to deposit sperm on other males.

Silence reigned, broken only by the hideous screeching of vultures and the sound of a lawn-mower being used in the hospital grounds.