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  1. Galleries
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  3. Birds
  4. » The Griffin

 
The Griffin...

Sardegna leggendaria

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The Griffin sent on May 28, 2018 (0:06) by Emmegiu. 51 comments, 1605 views. [retina]

at 600mm, 1/1250 f/11.0, ISO 1600, hand held.

Sopra i cieli del Marrargiu di Bosa si può facilmente vedere veleggiare un grande avvoltoio, che risale dal mare verso la montagna e ti passa sulla testa imponente in un paesaggio fra i più incontaminati dell'intero Mediterraneo, è un'immagine di libertà e di una natura che ha resistito all'assalto speculativo dell'uomo il più terribile predatore mai apparso sulla terra - Il Grifone termine scientifico Gyps fulvus, è un grosso avvoltoio carnivoro appartenente all'ordine degli Accipitriformi e alla famiglia degli Accipitridi. Segni distintivi di questo grande avvoltoio sono: la colorazione marrone chiaro tendente al beige negli adulti e marrone scuro negli esemplari immaturi con la testa e il collo “nudi”, il becco forte e uncinato, le zampe robuste, dotate di unghioni lunghi, ma non adatti alla cattura di prede vive, le ali lunghe e larghe, con un'apertura sino a 280 cm, il peso arriva a 12 chilogrammi. Totalmente necrofago, l'alimentazione in Sardegna gli viene fornita per circa il 95% dalle carogne degli animali d'allevamento e per il restante 5% da animali selvatici di medie dimensioni. Il grifone è un uccello sociale. Esso vive in colonie su pareti rocciose dell'interno o, localmente, su falesie marine ricche di cavità e sporgenze. La maturità sessuale viene aggiunta intorno al quarto – quinto anno di vita. Le coppie sono monogame, rimangono cioé unite per tutta la vita. Tra Gennaio e Marzo, in seguito alla costruzione o riassetto del nido (di piccole dimensioni rispetto alla mole del grifone), viene deposto un unico uovo (bianco) che verrà covato con cura alternativamente da entrambi i partners per 52-54 giorni. La schiusa è in primavera (generalmente ad aprile), e, successivamente il giovane viene nutrito e allevato con molta dedizione: uno dei genitori sarà al suo fianco sino a quando le sue dimensioni non lo metteranno al riparo dall' eventuale attacco dei corvi imperiali, e in alcuni casi sino al giorno dell'involo che avverrà tra la metà di Luglio e la fine di Agosto, dopo una permanenza nel nido di circa 4 mesi. Grazie alla loro socialità per la ricerca del cibo i grifoni utilizzano una strategia di gruppo: alzatisi in volo utilizzando le correnti ascensionali o sfruttando direttamente i venti, cosa che gli consente un modesto dispendio energetico, i vari individui della colonia coprono ognuno una porzione di territorio restando però a contatto visivo gli uni con gli altri. Scoperta una carogna, l'esemplare più vicino ad essa inizia dei voli circolari per poi scendere sul terreno. Il ruolo ecologico del grifone è, sotto il profilo igienico sanitario, molto importante. Cibandosi esclusivamente di carogne, esso limita i rischi di infezioni o malattie trasmissibili anche all'uomo. Da studi veterinari effettuati in Francia, si è stabilito che il loro apparato digestivo, di soli 3 metri di lunghezza, è in grado di distruggere tutti i virus, batteri o parassiti presenti nelle carni di cui si nutre, grazie al repentino cambio di acidità tra il gozzo ,lo stomaco e la parte intestinale. Questo grande avvoltoio può quindi essere definito a pieno titolo uno spazzino della natura e uno dei simboli viventi della Sardegna agro-pastorale. Appunti tratti da l'Altra Bosa



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user33208
avatar
sent on May 28, 2018 (1:20) | This comment has been automatically translated (show/hide original)

Avifauna Emme? Bravo you have to do a little of everything and you're doing it so egregious, as everything else, the caption is very informative and all those people who think that it is a very dangerous raptor will be rethinked understanding that it is very useful to man, as the swallow , like the bat etc... In nature, apart from man, it is a whole of sync that cross, help and self-determine in a compensation that generates, should generate a perfect balance but unfortunately we are us, that we define ourselves human but we are not human. The majesty and the perfection of the flight is impressive and majestic, it can stay hours in flight without a flutter of wings. Beautiful, congratulations Emme and I'll tell you something in secret (these are the photos I want to do) but here I say and here I deny. :-P

avatarsupporter
sent on May 28, 2018 (4:10) | This comment has been automatically translated (show/hide original)

Arrigo in a break from sleep I have connected and I find your formidable comment that as your usual unravels in a sincere friendly speech and felt how few now are able to do, to many misses your sensibility your bluntness but also your enthusiasm and I Or you spur dear friend as you do also to cultivate your passion because the passion is what makes us alive and participating in the world and not simple cold observers. Thank you very much for all your benevolent comments towards me and for the sincere words of friendship I need we need sincere words like yours because if not our images remain a cold exercise and instead so valued are warmth and passion, Good night my friend to soon

avatarsenior
sent on May 28, 2018 (6:02) | This comment has been automatically translated (show/hide original)

Beautiful with the sky to be frame, you breathe air of freedom and control of the territory in search of prey.
a flower greeting. ;-)

avatarsupporter
sent on May 28, 2018 (6:39) | This comment has been automatically translated (show/hide original)

Very nice Emme, excellent caption, I particularly appreciate the composition, you have left the right space in front to give breath to the entire image, beautiful and natural colors, excellent overall detail, compliments!!!
P.S. do all kinds helps keep the interest alive :-)
A greeting
Alessandro

avatarsenior
sent on May 28, 2018 (7:21) | This comment has been automatically translated (show/hide original)

It is the emblem of a free spirit
Hello
A.

avatarsenior
sent on May 28, 2018 (7:35)

Very nice!!!

avatarsenior
sent on May 28, 2018 (14:12) | This comment has been automatically translated (show/hide original)

A look at the sky and freedom to fly..... free spirit without restrictions....... what we humans lack.... and we can never have :-o a hug Hello Rosario :-P
600mm Arrigo goes crazy :-P

avatarsenior
sent on May 28, 2018 (17:19) | This comment has been automatically translated (show/hide original)

Very good at resuming this magnificent specimen. Colors, sharpness and top composition.
Hello Emme, good evening ;-)

user99954
avatar
sent on May 28, 2018 (19:00) | This comment has been automatically translated (show/hide original)

Splendid specimen, well-taken... excellent and exhaustive caption... hello!
Mauro

avatarsupporter
sent on May 28, 2018 (20:19) | This comment has been automatically translated (show/hide original)

Beautiful shot... subject, compo and super detail... congratulations
A greeting
Gabriele

user100958
avatar
sent on May 28, 2018 (21:26) | This comment has been automatically translated (show/hide original)

Wow What a shoot, I love it, bravo. :-) ;-)
Hello, Toni.

avatarsupporter
sent on May 28, 2018 (23:19) | This comment has been automatically translated (show/hide original)

The photo is beautiful, excellent detail, natural colors, but those who made me think was the caption, which seemed to describe the life of a perfect parental couple, caring for children until they are able to fly and get food , only in nature there are no shortcuts, privileges.
a very dear greeting. Marisa

avatarsenior
sent on May 28, 2018 (23:29) | This comment has been automatically translated (show/hide original)

We learn things that we also ignored this is sharing. Thanks Emme.
the photo is beautiful. The wings opened the search for freedom of silence. We look away with hope
a greeting
Mary

avatarsupporter
sent on May 29, 2018 (12:40) | This comment has been automatically translated (show/hide original)

That magnificent specimen is the icon of freedom... you could not express it better!
Compliments!
Hello, Giorgio

avatarsupporter
sent on May 29, 2018 (12:46) | This comment has been automatically translated (show/hide original)

El Condor Pasa Siempre

avatarsenior
sent on May 29, 2018 (16:33) | This comment has been automatically translated (show/hide original)

My mother Emme... a beautiful shot... interesting caption.... I'm growing in love with your land...
A dear greeting, Carla

avatarsupporter
sent on May 29, 2018 (17:04) | This comment has been automatically translated (show/hide original)

Beautiful and the explained Wings recall the title.
A greeting
Maurizio

avatarsenior
sent on May 29, 2018 (17:14) | This comment has been automatically translated (show/hide original)

Excellent shot Emme, imposing exemplary and free spirit, beautiful pose and caption, Hello and compliments

user133558
avatar
sent on May 29, 2018 (21:42) | This comment has been automatically translated (show/hide original)

Beautiful shot of Vulture, very good Emme, hello

avatarsenior
sent on May 30, 2018 (17:55) | This comment has been automatically translated (show/hide original)

Hi Emme, I hope to return to fly
Great shooting,
compliments 8-)
Thanks my friend
Congratulations and Hello Arrigo, great comment ;-)


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