Biological Exuberance: Animal Homosexuality and Natural Diversity

Affectionate behaviors (homosexual) see Embracing; Grooming; Kissing; Nuzzling; Play-fighting

Ahgook, Robert

Alloparenting, babysitting, helpers (heterosexual)

mammals: primates marine hoofed other

birds: waterfowl shore perching other see also Creches

Alternative heterosexual pair-bonding see Divorce; Nonmonogamous pair-bonds; Trios, quartets

Alternative heterosexual parenting see Adoption; Alloparenting; Creches; Kidnapping; Parasitism; Single parenting

Anal stimulation, rump-rubbing (heterosexual)

Anal stimulation, rump-rubbing (homosexual)

mammals: primates other

see also Mounting; Penetration

Anguksuar (Richard LaFortune)

Aristotle

Babysitting see Alloparenting; Creches

Bataille, Georges

Behavioral/sexual plasticity

Behavioral transvestism see Transvestism

Beston, Henry

Bey, Hakim

Billing see Kissing

Biodiversity

Biological Exuberance

Birth control (heterosexual) see Abortion; Infanticide; Nonbreeders; Reproductive suppression; Siblicide; Vaginal plugs

Birth, heterosexual activity during see Pregnancy, birth

Bisexuality, latent or situational mammals birds

Bisexuality, sequential

age-based mammals birds

mate-switching mammals birds

seasonal mammals birds

other

mammals: primates marine hoofed other

birds: waterfowl shore perching other

Bisexuality, simultaneous

bisexual matings outside pair-bond mammals waterfowl shore birds perching birds other birds

bisexual trios/quartets waterfowl shore birds perching birds other birds

group sexual activity mammals birds

other

mammals: primates marine hoofed other

birds: waterfowl shore perching other

see also Pile-up mounts

Bisexual superiority see Explanations

Boswell, John

Brant, Beth

Breeding by homosexual/bisexual animals

mammals: primates marine hoofed other

birds: waterfowl shore perching other

see also Parenting; Transgendered animals—breeding or mating by