how can you tell the difference between male and female hummingbirds?
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Adult male Ruby-throated Hummingbirds (above left) have pointed rectrices (tail feathers) that are all dark with no white tips; the tail is forked. However, young males (above right)--like females of any age--have white tips on the outer three rectrices on each side; each feather is rounded and the tail is fan-shaped.
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How do you tell a male from a female House Wren? The males tend to be more vocal while the females more behind the scenes. Both the male and female House Wrens look similar to our human eyes but their actions may be revealing.
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The easiest way to tell is by the sound they make. A male makes a fairly quiet, almost whispered quack, whereas you will be able to hear the loud quack of a female from the bottom of your garden! Mature males also have a curl at the end of their tails, called a drake feather.
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Female doves are slightly smaller than males in most breeds and usually weigh about 20 percent less than males. ... By contrast, the male is broader in the chest with a thick neck and a more pronounced nostril cere on his beak. His head has a more rounded profile from the side where the female's is slightly flattened.
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Male blue jays tend to be larger in size than females, but since males and females share the same plumage, it is difficult to tell them apart by size alone. Careful observation of courtship and nesting behavior is the best way to tell the sexes apart.
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Appearance wise there can be very subtle differences between males and females. Generally, the males will have brighter colouration, be slightly larger, more boisterous and sit taller when on the perch. Females eyes tend to sit higher on their head lining up above the beak and males' eyes will be in line with the beak.
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The difference in size between a male and female Guppy is very apparent early on. Colors — Male Guppies are much more colorful than females are since they use their vivid color to attract a mate. Female's body is usually pale gray or silver bodies whereas a male's body are colorful with different patterns.
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Anogenital Distance. The surest way to tell whether a hamster is male or female is by looking at the anogenital distance. This is the distance between the genital openings (penile opening in male hamsters; vaginal and urinary openings in females) and the anus. This distance is much shorter in females than males.
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1. Look at the mouth. One of best ways to distinguish the sex of a trout is to examine the mouth. Female trout all have a short rounded nose or upper jaw, while male trout have a more elongated snout. If your trout has a lower jaw with a kype, it's a male for sure.
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Males are more swollen at the base of the tail than females and have a pair of enlarged scales near their vent (cloaca). Females and juveniles have some color, but not nearly as bright. Even if you can't get a look at the lizard's belly, there are also behavior clues that help reveal gender.
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As Figures 1 and 2 show, both male and female chickens have these basic parts. The differences between males and females include the size of the comb and wattles, the size of the spurs (in older birds), and the characteristics of the hackle and cape feathers.
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There are several characteristics that differentiate males from females. The most simple characteristic to use to differentiate the two is to look at the genitalia of the flies. Males have dark, rounded genitalia at the tip of their abdomen, whereas females have light, pointed genitalia.
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The most obvious differences between male and female Bald eagles are their size. Females are usually a third of the size larger than males. Females tend to weigh between ten to fifteen pounds more. Females will typically have a wingspan of up to eight feet.
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Male and Female Coloring Differences A male has a white throat, while a female has a brown one. The throat coloring on both owls extends along the sides of their heads just behind the face disk in their respective colors. The under wings of the male and the female owls are white.
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The male robin is brighter in color than the female. His eye ring, bright beak color, black head, and white throat markings all show this bird is a male. The female's feathers look washed out and faded compared to the darker, richer colors of the male.
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The female is easily distinguishable by her slender build with a graceful head set on a slender neck. By contrast, the male is broader in the chest with a thick neck and a more pronounced nostril cere on his beak. His head has a more rounded profile from the side where the female's is slightly flattened.
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The most obvious differences between male and female Bald eagles are their size. Females are usually a third of the size larger than males. ... Females will typically have a wingspan of up to eight feet. Whereas the males weigh between five to ten pounds less, with a wingspan reaching up to six feet.