### animal | male:

Human male
* All human males produce pheromones through the sweat glands to attract the opposite sex.
* are hemizygous for most of the genes on the X chromosome
  - possessive
* begin to produce sperm at puberty.
* fall somewhere in between gorillas and chimps.
* tend to pursue and seek out females as do most other male mammals.

### animal | male:

Large male
* Some large males weigh over , so it is the second-largest living cat after the tiger.
* are successful in competing for mates more often than small males are.
* associate with mixed schools during part of the year, presumably for breeding purposes.
* can product larger amounts of sperm than their smaller counterparts.
* develop gibbosities in the frontal area when breeding.
* occupy more breeding territory than small males do.
* use their bony heads and five-inch horns to spar with one another.
+ Lion: Panthera :: Mammals of Africa
  * Some large males weigh over , so it is the second-largest living cat after the tiger. Today, wild lions live in sub-Saharan Africa and in Asia. An endangered remnant population resides in Gir Forest National Park in India Lions are adapted for life in grasslands and mixed areas with trees and grass. The relatively small females are fast runners over short distances, and co-ordinate their hunting of herd animals.

Larger male
* are famous for their offshore swimming and diving abilities
  - more likely to mate with females than smaller males
* have greater ability to hold territories and presumably greater mating success.

### animal | male:

Male child
* Most male children have brains.
* Some male children have testes.
* ren are males.
* ren are more likely than females to be poisoned
  - to die from crib death than females
  - the recipients of most physical abuse from parents and mothers
* ren have a drowning rate two to four times that of female children
  - higher risk of fire-related death and injury than female children
  - roughly twice as many aggressive dreams as do female children
  - inherit larger percentages of an estate than do female children

Male liger
* are sterile, but female ligers are often fertile.
* are, after all, sterile even when their female counterparts are usually fertile.
* have a fifty percent chance of growing a mane.

Mature male
* Most mature males become solitary and spread out in adjoining territories.
* are winged insects that search out the immobile females.
* grow tusks that are used in social interactions.
* have very short life-spans, while mature females can go on for many years.
* protect large territories, encompassing the territories of several females.

Neutered male
* are also less likely to mark territory with their urine.
* are less likely to roam, run away, or get into fights
  - spray smelly urine or fight with other tomcats
* can make good pets.
* have a lower chance of developing prostate infections
  - reduced possibility of prostate cancer
  - no risk of testicular cancer and reduced risk of bladder problems
* make great pets and are called wethers.

Normal male
* carry one Y and one X chromosome.
* inherit an X from their mother and a Y from their father.

### animal | male:

Older male
* are more likely to groom important allies when challenges from young males arise
  - often solitary or spend their time in small bachelor groups
* develop wide cheek pads, a unique feature among primates.
* have more breeding success than younger individuals.
* sport a beard, which is absent in the younger animals.
+ Hippopotamus, Description: Even-toed ungulates
  * Because hippos are so large, it is difficult to weigh them in the wild. Most adult male hippos weigh between. Females hippos are smaller, and usually weigh between. Older males can get even bigger. They are at least  and sometimes even weigh.