the balls
The spot at the top of the beak called the cere is blue on the males.
males (boys) have a small slit (bald spot) on its stomach , females (girls) don't.
a black bird is about 4 inches tall i believe the males have a red, orange, and yellow spot on their wings.
Crocodiles are like other predetors, two large males or females may fight for the alpha spot
the males have a long tail and females kinda have a flattale
For me it is a smile. Everything else can be faked, but someone who smiles a lot is easy to spot
Polar bears are wanderers, especially males, rarely staying in one place for long.
Actually, goldfish don't have a specific gender. They are born as females, but as they grow, they turn into males.
The leopard and mountain lion tie for this spot, both species' males can weigh in rare cases, up to nearly 200 pounds.
Males, There are more males in jail. The do lie
there bellis are slightley bigger than the others also they have a black spot on bellie.and it lays on the bottom a lot . but DONT LET THE MALES CHASE HER OR SHE AND THE BABIES WILL DIE
The signs of guppy breeding is when the males (the more colorful fish) start chasing the female guppies (the duller ones). The female guppies should appear to become fatter, signifying that the fish is pregnant.