Vetrina / Windows shop
Post recenti / Latest posts
BLACK PANTHER? NO MELANIC LEOPARD
Javan Leopard (Panthera pardus melas, Cuvier 1809), melanic form Black Panther is the common name by which are called the blacks specimens (melanic variants) of some species of felines. Zoologically speaking, the term Panther is synonymous with Leopard. The genus Panthera is a taxonomic category that includes all species of a particular group of Felidae.…
SENSORY ORGANS: VIEW OF OWLS
As many of you know, the sight of owls is particularly developed. The development of their vision system, however, is different from the diurnal birds of prey. In the latter, the view is developed towards a higher definition of images, thanks to a high concentration of cones in their fovea and the presence of two…
MIMICRY? NO, I’M IN A BAD MOOD
Yemen or Veiled Chameleon (Chamaeleo calyptratus, Duméril and Bibron 1851) Some species of chameleons, but not all, can change the colour of their skin. The principal reason to the change of tone is not the camouflage (mimicry) but the manifestation of certain physical or physiological, or emotional states such as fear. For example, during the…
A RAINBOW TO DISORIENT
Agalychnis callidryas (Cope, 1862) is a tree frog of the family Hylidae, widespread in Central America. It is known by the common name of the red-eyed tree frog. Many scientists believe that this frog has developed his big red-fire eyes to scare predators and get them to ask some questions about the quality of the…
DISCOVERED THE FIRST FISH WARM-BLOODED
Just like Mammals and Birds (and, according to some theories, even some species of Dinosaur), the Kingfish or Opah (Lampris guttatus Brunnich, 1788), a sea fish belonging to the family Lampridae and order Lampridiformes, is warm-blooded. The discovery of some American researchers, recently published in Science, is sensational. It is true that we already knew…
MANIPULATION
Blackbuck (Antilope cervicapra, Linnaeus 1758) Generally, animals do not exchange information on abstract concepts or objects not present in the environment: they communicate immediate events related to the issuer or its habitat. The signals can transmit information on body size, age and strength, or information concerning the environment, for example on the type of…
Categorie / Categories
THE CIUICI’ – Coal tit
Coal Tit (Periparus ater [Linneus 1758] or Parus ater) We could not miss the presentation of our group symbol: the Ciuicì (Coal tit). The Coal tit, symbol of Valle Brembana (BG – Italy), until a few years ago was considered the Bergamo houses canary with is characteristic singing, which explains…
SALT or HALITE
Group III – Aloidi NaCl Very common The Rock Salt or Halite occurs in cubic crystals often “hopper” and with rounded corners, usually colorless or white, sometime yellow, red, brown and even blacks; more rarely patchy irregular blue and purple; predominantly cubes and in massive sedimentary beds, but also granular,…
Dove Siamo / We are here
