Hi, I'm Andrew and I’m just a simple 19 year old guy and zoology student that posts random factoids about obscure animals and general animal science/zoology/biology stuff so if you like animals this is the place for you, if you only like cute animals this is not the place for you… Also I can ID any animals you might need identified (just submit them to me).

Disclamer: none of the pictures are mine unless stated

Family Polioptilidae: A family of passerine birds commonly known as "Gnatcatchers". All gnatcatchers are native to the New World, being found in both North and South America. Gnatcatchers are close relatives of the wrens and some species are known as "Gnatwrens".

Image: Erikwlyon

 

How do animals change color?

the science of chromatophores

Animals like cuttlefish and chameleons are able to quickly change color in-order to blend in with their surroundings. They can do this due to a special type of cell called a chromatophore. Chromatophores work by moving vesicles that contain different color pigments into different forms by contracting and expanding them, so a different color comes to the “surface” when moved, giving the animal a different color. This can either be controlled by the animals nerves or happen hormonally.

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