### animal | male:

Polygynous male
* are attracted to groups of females that are in estrous.
* have bigger testis than monogamous males.
* produce fewer offspring than do monogamous males.

Teenage male
* More teenage males drink alcohol than teenage females.
* have higher rates of urethral infection than adults.

Territorial male
* Some territorial males have as few as one or two females
  - tolerate adult males on their property as long as they behave submissively
* are much more tolerant of other males than the males of other species.
* live rather far apart in the wild and remain very static.
* mark their territory with dung deposits in extreme crouch defecation.

Unneutered male
* are also at risk for prostate infections, along with testicular cancer.
* have a heightened sense of territoriality.
* mark their territory with strong smelling urine.

White male
* account for nearly three-fourths of all completed suicides.
* are six times more likely to commit suicide than are African American females.
* are the most common users of smokeless tobacco
  - only unorganized group in society
  - twice as likely as blacks to be deaf or hard of hearing
* commit suicide at a rate higher than black males and white and black females.
* have higher marijuana use than black or Hispanic males.
* remain the most privileged group in American society.

Winged male
* are much smaller than winged queens.
* crawl out from beneath their cover and mate with covered females who produce eggs.
* mate once before they die.

### animal | male:

Young male
* More young males die than young females.
* Most young males migrate out of their natal group to join other groups.
* assist their parents in farming as they work in the fields.
* begin to break away from their mothers after they, themselves, reach puberty.
* grow faster in terms of mass than young females.
* have a little hair around their heads when they are about a year old.
* learn to sing by imitating their father's song.
* mate with their sisters and mothers.
* yearn to leave boyhood behind and to become men.
+ Sparrowhawk: Falconiformes :: Birds of Europe :: Birds of Asia
  * More young males die than young females. The average lifespan is four years.

Many desert animal
* have ears.
* prey on birds.

Many other animal
* chew food.
* have similar structures
  - teeth
  - tooth structures
* include bears.
* inhabit regions.
* live in rainforests.

### animal:

Marine animal
* Many marine animals are isotonic with their saltwater environment
  - feed on plankton
  - have gills
  - remain to be discovered
  - show it with dark dorsal surfaces and lighter ventral surfaces
* Most marine animals are generally harmless unless threatened
  - die at sea, where their bones are buried on the ocean bottom
  - eat food
* Most marine animals have arms
  - feelings
  - use sound
* Some marine animals absorb nitrogen
  - attach to the rock and others use it for shelter
  - can be hazardous to divers
  - derive from stock
  - feed on zooplankton
  - ingest plastic
  - inhabit oceans
  - live in sea
  - possess tentacles
  - prevent dehydration
* Some marine animals resemble sea snails
  - swim to surfaces
  - weigh tons
* are animals
  - usually osmoconformers, while freshwater species are generally osmoregulators
* can mistake plastic for food and can become entangled in it
  - plastics for food and can become tangled up in it
* continue to be threatened by water pollution and other human impacts.
* flourish in artificial, mechanical systems.
* include fish.
* is an animal
* offer diverse systems for comparative and experimental studies.