### animal | vertebrate | bird | cuckoo:

Young cuckoo
* are slate-gray and reddish brown in color.
* look like adults, but are more reddish-brown on their wings.

Curassow
* are mostly terrestrial, taking large strides on long legs.
* vary in colour from black to blackish-green.

Dead bird
* Most dead birds have blood.
* are also an important indicator of West Nile virus
  - corpses
  - located in streets
  - rare, more desirable than dogs or cats
  - the earliest and easiest means of monitoring the emergence of the virus
* can be an indication that West Nile virus is present in an area.

Desert bird
* depend on sources
  - water sources
* have glands
  - salt glands

Different bird
* Many different birds live in the trees.
* eat different types of bird seed.
* have different figure and character
  - very different beaks
* molt different numbers of time within a year, even within a species.
* prefer different feeders
  - food
  - kinds of birdseed
* use different techniques to get the insects.

Diseased bird
* fail to keep up with the flock, and epidemics thus naturally prevented.
* fly or swim erratically or stumble and wobble on the ground.

Dive bird
* Most dive birds have bones
  - solid bones
* exhibit patterns.
* need areas
  - large areas

### animal | vertebrate | bird:

Dodo
* Most dodos eat ripe fruit.
* Most dodos have brownish plumages
  - necks
* Some dodos adapt to life.
* Some dodos have natural predators
  - skin
  - tough skin
* are generally stubborn and clumsy, and attempt to run away when provoked.
* eat fruit
* have beaks
* includes air sacs
  - bird's feet
  - brains
  - breasts
  - cell membranes
  - cells
  - chest cavities
  - chests
  - corpi
  - cytoplasm
  - ears
  - faces
  - flight feathers
  - heads
  - lips
  - mouths
  - nuclei
  - plasma membranes
  - quill feathers
  - rib cages
  - second joints
  - sections
  - skulls
  - sterna
  - talons
  - vacuoles
  - wishbones
* share features.
* vary in many colors.

Dodo bird
* Most dodo birds come from habitats
  - shelter habitats
* Most dodo birds eat fruit
  - leaves
* Most dodo birds have natural predators

Eastern bird
* have rufous across the breast.
* seek saltmarshes, barrier islands, and barrier beaches for breeding.

Elephant bird
* Most elephant birds eat baobab fruit
* Most elephant birds have beaks
  - powerful beaks

Eurasian bird
* Some eurasian birds have territory.
* catch insects.

### animal | vertebrate | bird:

Female bird
* Most female birds incubate the eggs while the male defends the territory from other males.
* are able to lay eggs
  - attracted to the beautiful songs and bright feathers of males
  - female animals
  - often less colorful
* can bias the sex of their chicks.
* have a somewhat similar cloaca
  - similar markings but are generally duller shades
* lack the cheeck patches, although there are some mutations with gray cheeks.
* use male song to make mate choice decisions in a range of common bird species.

Few bird
* are strictly palynivorous, or pollen-eating.
* compare with bald eagles.
* have a complete molt to produce the breeding plumage
  - the audacity to spend the winter in the planet's northernmost regions
* live so long or learn so much throughout their lives.
* remain during the harsh winter.
* surpass it in power or length of flight.
* undertake a flight out over open ocean, and incentives to do so are probably rare.