Sometimes it's hard to tell the difference between the biology of male and female birds. Let's learn how to identify them! Please subscribe to continue learning what makes life AWESOME: BioBush.tv/subscribe
In this video we talk about the different techniques we could use to identify male vs female birds. Because it varies by species I broke it into three sections. Obvious Differences, Subtle Physical Differences, and No Obvious Differences.
Obvious Differences
Some species are totally different colors between males and females. A famous example is the Eclectus Parrot, where males are green and females are red. Or birds like pheasants, where the male is brightly colored and the female is sensibly camouflaged.
There are also things like ornaments (eg. peacock tail) and spurs (eg. rooster) that will help identify a male bird.
Some birds look different under a black light or by using an ultraviolet camera. Birds can see ultraviolet light so it's obvious to them but normally hidden to us.
Juvenile birds can make this more difficult because they may develop those traits in the future but do not have them yet.
And here's an obvious thing worth mentioning. Females lay eggs and males do not. If the bird lays an egg it's a solved mystery.
Subtle Physical Differences
Many birds are dimorphic, but you have to know what to look for in the species. We cover some examples.
No Obvious Differences
Many bird species look exactly the same! There are no obvious physical differences between males and females. We cover example species.
Finally, there's the method used by professionals, which is to do a DNA test. Male and female birds have different chromosomes that can be seen under a microscope by someone who knows what they are doing. It's amazingly cheap (like, $20) and more reliable than visual identification for most species.
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Copyright
Photo "Longtailed Widowbird, Euplectes progne in early summer breading plumage at Rietvlei Nature Reserve, Gauteng, South Africa" by Derek Keats (www.flickr.com/photos/dkeats/.... Used under Creative Commons cc-by 2.0.
Video "The Cockatiels under a black light" by Michelleosprey ( • The Cockatiels under a... ). Used under Creative Commons cc-by 2.0.
Photo "Karyotype of Scarlet Macaw (Ara macao)" by CM Seabury et. al (doi.org/10.1371/journal.pone..... Used under Creative Commons cc-by 2.5.
Photo "Consensus Scarlet Macaw (Ara macao) Karyotype" by CM Seabury et. al (doi.org/10.1371/journal.pone..... Used under Creative Commons cc-by 2.5.
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