Why some animals have evolved with forward-facing eyes and others with sideways-facing eyes
By: Maria C Collins
Some animals evolved with forward-facing eyes and others evolved with eyes which face sideways. Evolution is very good at evolving features to suit each animal’s lifestyle and to ensure its survival. Eyes are placed where they give its owner the best possible vision for...
By: Christyl Rivers
A species is considered functionally extinct when that species cannot be found anywhere in natural environments, or if mating pairs number so few there is virtually no chance of their species' survival. Among animals that are now considered functionally extinct just in recent years are...
Seasonal polyphenism in butterfly wings
By: Christyl Rivers
Butterflies are solar-powered wonders. They adapt and change as days and weeks fly by with seasonal polyphenism. Their unique wing structure uses nanobiology (small and alive) to fine tune sunlight into fuel that powers their flight, allows them to alight on flowers, eat and reproduce...
By: D. Vogt
Seasonal polyphenism in butterfly wings is the ability of some butterfly species to develop distinctly different wing colours and patterns depending upon the season. This is most common in tropical species like Bicyclus anynana of Africa, the wings of which resemble large eyes during the...
By: Christyl Rivers
With about 300 species of distinct butterflies, the Danaidae butterfly inhabits both temperate and tropical forest. There are butterflies of every hue and size among them. The Painted Lady, the Purple Crow of Taiwan, the Dark Blue Tiger of Asia and many others paint fluttering...
By: Christyl Rivers
The beautiful Monarch butterfly is a wonder of nature. They migrate every year from locations as far north as Canada. With four separate generations, they over-winter in Southern California and Mexico. The Monarch accomplishes this feat by methods that are still being studied today. The...
New bird species discovered in Cambodia
By: Leigh Goessl
A new bird species has been found in Cambodia. Unlike other previously unknown species that are generally found in remote areas of the globe, this newly found bird was found right in the outskirts of the country's capital city, Phnom Penh. In all places...
New bird species discovered in Cambodia
By: Leigh Goessl
A new bird species has been found in Cambodia. Unlike other previously unknown species that are generally found in remote areas of the globe, this newly found bird was found right in the outskirts of the country's capital city, Phnom Penh. Of all places, the...
By: Patricia Jankowski
The danainae, or milkweed, butterfly is a subfamily of the family Nymphalidae (brush-footed butterflies). This butterfly is also known more popularly as the monarch butterfly as it is considered the "king" of butterflies and the most beautiful. It is referred to as the “milkweed&rdquo...
By: Rhayna Kramer
Genetic mutation is a subject of much speculation and controversy, as new discoveries are frequently being made. In particular, mutations in animals have been discredited by those whose school of thought is that mutations are not spontaneous, but induced in labs, hazardous to the victimized...

 

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