Obedience
Training discipline for pets, especially dogs.
Obsidian Tarantula
A rare pet tarantula species with dark colouration.
Occiput
The back of a dog’s skull is prominent in some breeds.
Ocelot
A small wild cat that is sometimes kept as an exotic pet.
Octodon
A small rodent, also called the "Degu," is sometimes kept as a pet.
Oil Gland
A gland found in birds that helps waterproof their feathers.
Olfaction Training
A method of training dogs using their sense of smell.
Olfactory
Relating to a pet’s sense of smell is crucial for dogs.
Oogenesis
The process of egg development in female animals.
Ootheca
A protective egg case in insects, including pet mantises.
Open Fontanelle
Condition in toy dogs where skull bones remain open.
Operant Conditioning
A learning technique used in pet training.
Oranda
A fancy breed of goldfish with a distinctive head growth.
Ornamental Fish
A term for pet fish kept for decorative purposes.
Ornithology
The study of birds, including pet birds.
Orphaned Kitten Syndrome
A condition where abandoned kittens struggle without a mother.
Ortho-Tri-Cyclen Syndrome
It is a rare condition in reptiles caused by hormonal imbalances.
Orthopedic Dog Bed
A pet bed designed for joint support.
Osmoregulation
How aquatic pets balance water and salt in their bodies.
Ossicone
Giraffes' horn-like structures are noted in exotic pet care.
Osteodystrophy
A skeletal disorder is sometimes found in large dog breeds.
Ostraconophobia
A rare fear of shell-bearing animals like turtles.
Otterhound
A rare dog breed originally bred for hunting otters.
Outcrossing
Breeding between unrelated pet lines to improve genetics.
Ovate
A term describing oval-shaped bird eggs.
Overgrooming
When a pet excessively licks or cleans itself, sometimes due to stress.
Overmarking
When a pet urinates over another pet’s scent to assert dominance.
Ovoid Nest
A rounded nest shape is built by certain pet birds.
Owl Parrot
Another name for the Kakapo a rare flightless parrot.
Oxytocin
The “love hormone” is released when pets and humans bond.