Systems
various hollow bones with crisscrossing reinforcements for structural strength.
Skeletal system.
a stocky seed- or fruit-eating bird with a small head, short legs, and a cooing voice. Doves are generally smaller and more delicate than pigeons, but many kinds have been given both names.
Columbidae
a deep or medium-pitched musical sound, often wavering or interrupted, that is the typical call of many kinds of owl.
Hoot
a small domesticated carnivorous mammal with soft fur, a short snout, and retractable claws. It is widely kept as a pet or for catching mice, and many breeds have been developed.
Cats
a framework of bone or cartilage enclosing the brain of a vertebrate; the skeleton of a person's or animal's head.
Skull
comprises approximately three-quarters of the body weight of a chicken.
Muscular system.
Swans
a deep hoarse sound made by a crow.
Croak
an agile tree-dwelling rodent with a bushy tail, typically feeding on nuts and seeds.
squirrels
the bone of the upper arm or forelimb, forming joints at the shoulder and the elbow.
Humerus
consists of the skin, the feathers and the appendages (claws and beak).
Integumentary system.
a large heavily built crow with mainly black plumage, feeding chiefly on carrion.
Raven
Caw
a carnivorous mammal of the dog family with a pointed muzzle and bushy tail, proverbial for its cunning.
Fox
clavicle
birds having relatively small lungs plus air sacs that play an important role in respiration.
Respiratory system.
Parrot
(typically of a small bird or an insect) utter a short, sharp, high-pitched sound.
Chirp
a long limbless reptile which has no eyelids, a short tail, and jaws that are capable of considerable extension. Some snakes have a venomous bite.
Snakes
the longitudinal structure along the centerline at the bottom of a vessel's hull, on which the rest of the hull is built, in some vessels extended downward as a blade or ridge to increase stability.
keel
have a 4-chambered heart (2 atria & 2 ventricles), with complete separation of oxygenated and de-oxygenated blood.
Circulatory system.
a nocturnal bird of prey with large forward-facing eyes surrounded by facial disks, a hooked beak, and typically a loud call.
Owl
(of a person or animal) give a loud, harsh, piercing cry.
Screech.
a wild dog that resembles the wolf, native to North America.
Coyote
pelvic girdle