Male and female canaries look very similar, and it is difficult to identity a bird's sex; however, there are a few ways to find out if a canary is male or female. Generally, bright-colored feathers indicate a male, and dull-colored feathers indicate a female.
In some cases, a female canary exhibits nesting behavior by gathering items to construct a nest. If the canary sings on a regular basis, this is indicative of a male. Examining the physical sex of the bird is a definite way to determine whether it is male or female. The male has a slight appendage, and the female does not.Learn More
Adult male cockatiels are brighter and more vibrant in color, with brilliantly colored heads and defined, contrasting cheek patches. Females are slightly duller, with less defined patches on their cheeks.Full Answer >
There are several ways to tell the sex of a duck, but it may depend on the type of duck. The feathers provide the best way to determine the sex, but they may not develop until the duckling is slightly older.Full Answer >
To sex a cat, look under its tail. Most cats lift their tails if scratched gently on the back at the base of the tail. A male cat has a much greater distance between the anus and the urinary tract opening than a female cat.Full Answer >
A doctor can tell a girl has engaged in sex if she is pregnant, has a sexually transmitted infection or informs the doctor of her sexual history, according to TeenHealthFX. If the girl very recently had sex, the doctor may be able to detect traces of ejaculate, notes Scarleteen.Full Answer >