Adapted:

adjusted to a situation

Affectionate:

fond of, tender, loving

Aggressive:

wanting to fight, be dominant, attack

Boosters:

follow-up vaccinations

Companionship:

togetherness, friendship

Cruelty:

to cause suffering, inhumane treatment

Domesticated:

able to live with humans

Environment:

surroundings

Exotic animal:

a wild animal removed from its home into a person’s home

Fad:

a temporary popular interest

Foraging:

searching for food

Found ad:

an advertisement in the newspaper that says you found someone’s pet

Grooming:

cleaning and/or brushing an animal

Habitat:

an animal’s natural home

Immunity:

being able to resist illness and/or disease

Impound:

take from the owner and keep in legal custody

Impulse:

a quick decision without any thought

Insulation:

provides warmth

Lost ad:

an advertisement that says you lost your pet

Marking:

scratching or scent message an animal makes to show that an area belongs to him

Mercy:

to show kindness and/or forgiveness

Neglect:

to give little or no attention, care

Neutering:

an operation that stops an animal from reproducing

Nocturnal:

active at night

Novelty animal:

an animal bought because it is unusual

Overeating:

eating too much

Parasites:

organisms that live on and feed off of an animal

Perch:

a resting place or roost

Remnant:

a small remaining group

Roam:

to travel without direction

Social:

enjoys being with other animals and people

Spaying:

an operation that stops a female animal from getting pregnant

Supplemental:

extra, added

Urbanized:

getting used to "city" life

Vaccinations:

shots to prevent a person or animal from getting a disease

Varied:

a variety of different things

Veterinarian:

an animal doctor

Wild:

not tamed, unable to live with humans