LIFE IN A DROP OF WATER

Acroperus harpae (Baird, 1834), Phylum Arthropoda, Subphylum Crustacea, Order Cladocerans Plankton (from greek πλαγκτόν, that vagabond) is the category that includes the ecological complex of aquatic floating organisms, not being able to actively directing their movement (at least in the horizontal direction), are passively transported by currents and wave action.…

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ARDEIDAE

Grey Heron (Ardea cinerea, Linnaeus 1758) Ardeidae is a family of birds Ciconiiformes including 19 genera and about sixty species, widespread in all tropical and temperate regions of the world. Ardeidae includes birds commonly known as Herons, Egrets, Night Herons, Bitterns, Little Bittern, etc. Small, medium or large, the Ardeidae possess…

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A COMPLICATED GROWTH…

Among the various life cycles of the myriad of forms of life, certainly the Jellyfish (Phylum Cnidaria, Class Scyphozoa) is one of the most extravagant. They, in fact, represent only the sexual planktonic phase of a small benthic polyp, that during the winter is fixed to the substrate, in the…

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LA VALLE DEI FALCHI

Alla scoperta della valle del Giongo, una piccola e affascinante valle alle pendici del Canto Alto, vero paradiso per piccoli e grandi uccelli.   Biancone (Circaetus gallicus) Con la loro capacità di raggiungere vertiginose altezze, distinguere cose minuscole da grandissime distanze, muoversi nel cielo senza battere le ali, gli uccelli…

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GLI UNGULATI

Fotografia: Stambecco (Capra ibex, Linnaeus, 1758) UNGULATI DELLE ALPI ITALIANE Con il termine Ungulati non ci si riferisce ad un vero e proprio taxon di valore sistematico ma ad un raggruppamento di Mammiferi che hanno in comune la parte terminale delle dita (falangette) ricoperte da robuste unghie cheratinose, ovvero animali…

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WHO SAW IT?

Snow Leopard (Panthera uncia o Uncia uncia, Schreber 1775) Few animals are more mysterious and unapproachable of Snow Leopard. Only someone saw one in the wild and very little is known of how he lives. Endemic to the high mountains of Tibet, Snow Leopard has a thick greyish coat, slightly tinted…

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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…

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THE GUIDE FOSSILS

Fossili guida

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…

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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…

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