What does erythrism mean?
Definition of erythrism : a condition marked by exceptional prevalence of red pigmentation (as in hair or feathers)
What does Xanthochroism mean?
Definition of xanthochroism 1 : abnormal coloration of feathers (as in some parrots) in which yellow replaces the normal color.
What does Enterozoan mean?
enterozoon. [en″ter-o-zo´on] (pl. enterozo´a) An animal parasite in the intestines.
What is the meaning of the word Estivate?
Definition of estivate intransitive verb. 1 zoology : to pass the summer in a state of torpor or dormancy Snails combat desiccation by estivating, that is, burrowing into the mud and sealing up the shell with mucus until conditions improve.— Mark Woolhouse — compare hibernate.
What causes erythrism?
Causes of erythrism include: Genetic mutations which cause an absence of a normal pigment and/or excessive production of others. Diet, as in bees feeding on “bright red (colored) corn syrup” used in maraschino cherry manufacturing.
What type of mutation is erythrism?
Erythrism in mammals is a very rare, little-understood, genetic mutation characterized by the complete or partial absence of black pigment which allows the red pigment to dominate in the skin, hair, and eyes. Erythrism is very unusual, and the condition appears most often in raccoons, Eurasian badgers, and coyotes.
How does Erythrism happen?
What causes Xanthochroism?
Xanthochroism is a condition where individual birds of a given species may have yellowish or orange plumage instead of red. This may be caused by a genetic variation or by diet. House Finches are often reported as exhibiting xanthrochroism.
What is the difference between hibernation and estivation?
Hibernation or “winter sleep” is the state of inactivity or low metabolic process performed by the animals during winters. Aestivation or “summer sleep”, on the other hand, is the low metabolic process by the animals during summers.
Are there animals who estivate?
Many reptiles and amphibians estivate and some mollusks, insects, fish and mammals will estivate as well. Whether it is hibernation, brumation, estivation or a combination of these processes, animals have an amazing ability to adapt and survive in their different environments.
Can humans have erythrism?
This phenomenon is called erythrism and is defined as an unusual reddish discoloration of fur, hair, skin, feathers or egg shells. The combination of red hair and freckles in humans is thought to be a form of erythrism, too.
What animals have erythrism?
Erythrism is very unusual in carnivores, and the condition appears most often in raccoons, Eurasian badgers, and coyotes, Hunter noted. “There are some spotted leopard skins and melanistic specimens—black panthers—in museums with red undertones, but fading probably contributes to that,” he said.
