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…

Leggi

L’ORIGINE DELLE SPECIE

Tutti noi conosciamo, abbiamo studiato a scuola o, per lo meno, abbiamo sentito parlare della Teoria della selezione naturale di Charles Darwin ma quanti possono dire di averla capita a fondo o di ricordarsela? Vediamo di fare un piccolo riassunto di quel voluminoso e quanto mai rivoluzionario testo “L’origine delle…

Leggi

GIVE ME FIVE

The hand is an extraordinary appendix, but is not exclusive to human: we share it with all the primates, but also with bats, cats, frogs and even dolphins. Charles Darwin pointed out this strange coincidence in his The Origin of Species. “What’s more unique,” he wrote, “that the hand of…

Leggi

LEUCISM O ALBINISM?

White tigers are not true “albino” (it is not albinism) and are characterized by brown or black stripes and blue eyes  with pink nose. In fact, these specimens, are suffering from Leucism. Color variation is considered a mutation caused by a recessive gene that inhibits the yellow pigmentation of the…

Leggi