Because they are somewhat different but truly the same because of their colors and personalities!.
In order to tell the difference between the male and female penguins, look at their beaks. If it has an orange spot, it's a male. If the spot is pink, it's a female. Also, the golden crest on the "breast" areas anthropomorphically correspond to gender differences.
Feeder fish, How do you tell male from female of the?
You can tell if someone is male or female by their reproductive parts.
Most Kiwi plants require a male and a female plant in order to produce fruit. Very difficult to tell a male from a female Kiwi plant.
How do you tell a male pacific frog from a female
Both male and female emus have blue on their necks. It is impossible to tell the male and female apart by appearance alone.
You can tell a male angel fish from a female one by all the colorful stripes it has. [the male one]
Because the male has a mane and the female does not have a mane.
It is very difficult to tell the difference between a male and female ladybug. Male ladybugs (or ladybirds) tend to be slightly smaller than females. Contrary to popular belief, the spots do not indicate whether these insects are males or females. However, the spots do fade somewhat as the insect grows older. Males and females are also the same colour.
Its actually quite difficult to tell. The male may have a small hump on his head, and a different shaped anal area. The best way to tell is by watching a pair breed; the male will be the one not laying the eggs.
When they are fully feathered, the male will have feathers that curl on his tail and the female doesnt. This is how you tell if they are male or female without handling them
When they are fully feathered, the male will have feathers that curl on his tail and the female doesnt. This is how you tell if they are male or female without handling them