Post recenti / Latest posts

BLACK PANTHER? NO MELANIC LEOPARD

SENSORY ORGANS: VIEW OF OWLS

MIMICRY? NO, I’M IN A BAD MOOD

A RAINBOW TO DISORIENT

DISCOVERED THE FIRST FISH WARM-BLOODED

MANIPULATION
Categorie / Categories
A COMPLICATED GROWTH…
WHO SAW IT?
GHOST OF THE WOODS

Photography: exuviae of Cicadidae (Westwood, 1840) Family of insects of the order Hemiptera, suborder Homoptera Auchenorrhyncha, infraorder Cicadomorpha. Probably all of us know the cicada primarily for its particularly strong and, for some, annoying buzz audible in the hot summer days (and nights). They are males who “chirp” (emit), indeed…
THE GUIDE FOSSILS

The guide fossils are used for the relative dating of rocks. It is the remains of organisms, which fulfil specific requirements: a wide geographical distribution; a relative abundance of large populations and therefore readily found in sedimentary rocks in the period of their existence; evolved rapidly: thus have a very…
BORN TO BE SURVEYORS!

The Geometridae, from Latin geometres that means surveyors, (Geometridae, Leach, 1815) are a family of Lepidoptera (butterflies), which includes about 21,000 species. Most have cryptic drawing and coloring, suitable for camouflage in the environment, but some, such as those of the genus Abraxas, have vibrant aposematic colors, to warn predators to…
RED LIKE A SHRIMP ….

Red Ibis or Scarlet Ibis (Eudocimus ruber, Linnaeus 1758) As with flamingos, the bright red feathers comes from a carotene, canthaxanthin, present in certain types of fungi, algae clorofitas, bacteria, fish, shellfish and shrimp they feed on. In captivity, for lack of regular consumption of crustaceans, its plumage tends to…
WHAT’S THE COLOUR OF WHITE BEAR?

The Polar Bear or White Bear (Ursus maritimus, Phipps 1774), large carnivorous mammal belonging to the family Ursidae, definitely looks white, but as the old saying goes, looks can be deceiving. The outer hairs of the bear are actually transparent, and its undercoat is really colourless. So why do Polar…
CROCODILE TEARS
INSIDE AN INSECT EYE
THE KILLER OF RIVERS

European Kingfisher (Alcedo atthis, Linnaeus 1758). As beautiful as fearsome, with iridescent blue plumage, this bird is actually the killer of rivers. His technique is simple and effective: it alights on a branch and carefully scrutinizes the water surface. Thanks to superfine view, it is able to polarize light without…