Lacertilia (lizard)

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8.3 MEGAPIXEL

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I miei ricordi View gallery (21 photos)

Lacertilia (lizard) sent on June 22, 2017 (11:20) by Pinusdef. 17 comments, 699 views.

, 1/125 f/11.0, ISO 250, hand held. Cagliari, Italy.

Nome comune dei Rettili Squamati della famiglia Lacertidi, comprendente oltre 30 generi diffusi nei più diversi ambienti. Le lucertole sono lunghe in genere da 10 a oltre 40cm, hanno corpo slanciato, arti sviluppati, pentadattili, dalla coda lunga e fragile, dal dorso ricoperto di granuli giustapposti o di squame embricate; lingua piatta, allungata e bifida; dentizione pleurodontica, occhi muniti di palpebre ben sviluppate con pupille rotonde. Si nutrono per lo più di Artropodi e altri invetebrati, ma anche di Vertebrati. Tra le specie italiane ci sono. la lucertola adriatica (Podarcis melisellensis); la lucertola campestre (Podarcis sicula) e la sua sottospecie lucertola azzurra di Capri (Podarcis sicula coerulea); la lucertola muraiola (Podarcis muralis); la lucertola siciliana (Podarcis wagleriana); la lucertola tirrenica (Podarcis tiliguerta); la lucertola ocellata (Timon lepidus), il più grande rappresentante del genere (oltre 80 cm), presente, per l'Italia, in Liguria; la lucertola vivipara (Zootoca vivipara), presente in Italia su tutto l'arco alpino. Alcune lucertole sono in grado di cambiare colore. L'esempio più noto è il camaleonte, ma questa caratteristica può appartenere anche ad altre specie. Solitamente sono insettivore o carnivore. Alcune specie sono erbivore o onnivore, un esempio caratteristico di queste è l'Iguana, che ha una dieta strettamente erbivora. LA CODA Come già detto, alcuni gruppi di lucertole possiedono la peculiarità di poter perdere la coda se soggette ad attacchi da parte di predatori (autotomia). La parte della coda tranciata possiede dei centri nervosi relativamente indipendenti dal cervello, che possono determinarne un movimento di contorsione anche se la coda è staccata dal corpo. Il predatore viene così distratto dalla coda credendo si tratti della metà viva dell'animale, mentre la lucertola, rimanendo in uno stato immobile di morte apparente (tanatosi), tenterà la fuga nel momento più opportuno. , Le contorsioni della coda vanno via via affievolendosi nel momento in cui l'ossigeno presente nei vasi sanguigni recisi inizia a scarseggiare. Il distacco della coda è provocato da una violentissima contrazione dei muscoli presenti ed avviene lungo piani di frattura prestabiliti tra le vertebre, che sono zone più fragili della spina dorsale. I muscoli rimangono contratti anche dopo il distacco per bloccare l'emorragia, fino alla completa cicatrizzazione. Da questa cicatrizzazione verrà rigenerata in seguito una nuova coda. Quando la ferita è irregolare raramente può succedere che venga creata anche più di una coda.

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18 persons like it: Ardian, Arvina, Coradocon, Dario1960, Federico_28, Fotografone, Francesco.Santullo, Ignazioatzeni, Jooferr, Marco Omodei, Nightflier, Paolo Macis, Quellolà, Renzo Fermo, Rinaldo1005, Roberto M Parma, Simokashi, Vittorio.f

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Renzo Fermo

sent on June 26, 2017 (15:06) | This comment has been automatically translated (show/hide original)

Detailed nitida and beautiful natural colors :-) :-P
Hi, Renzo

Pinusdef

sent on June 26, 2017 (15:27) | This comment has been automatically translated (show/hide original)

I thank you so much for Renzo :-D
hello, Pinus

Jooferr

sent on June 26, 2017 (18:36) | This comment has been automatically translated (show/hide original)

Beautiful colors and light.
Gianni :-)

Francesco.Santullo

sent on June 26, 2017 (19:18) | This comment has been translated

Excellent!

user59947

sent on July 05, 2017 (21:27) | This comment has been automatically translated (show/hide original)

Beautiful and great details

Micio

sent on July 06, 2017 (22:01) | This comment has been automatically translated (show/hide original)

Beautiful Ramarro, Bravo Pinus !!! :-P

Pinusdef

sent on July 07, 2017 (1:14) | This comment has been automatically translated (show/hide original)

Thanks a lot Micio :-P
Hello, Pinus

user79089

sent on July 07, 2017 (21:44) | This comment has been automatically translated (show/hide original)

Detailed capture and beautiful image: -o good Pino ;-)
Hello
Ignazio

Pinusdef

sent on July 08, 2017 (1:39) | This comment has been automatically translated (show/hide original)

Thanks so much Ignatius,
Hello

Marco Omodei

sent on July 08, 2017 (12:16) | This comment has been automatically translated (show/hide original)

Beautiful subject and dance photo !!
Hello Marco

Pinusdef

sent on July 09, 2017 (1:10) | This comment has been automatically translated (show/hide original)

Thank you very much Marco.
Hello :-)

Paolo Macis

sent on July 16, 2017 (16:38) | This comment has been automatically translated (show/hide original)

Beautiful, sharp and detailed, I like ;-) ;-)

Pinusdef

sent on July 16, 2017 (20:01) | This comment has been automatically translated (show/hide original)

You are very kind to Paul.
Thank you so much ;-)
Hello, Pinus

Rinaldo1005

sent on September 14, 2017 (12:24) | This comment has been automatically translated (show/hide original)

Enchanting caption and beautiful shot.
If so, it would have been better to resume the part with the head or alternatively resume it complete. ;-)

Pinusdef

sent on September 14, 2017 (16:48) | This comment has been automatically translated (show/hide original)

I tried but did not stop for a moment (Damned) :-(
Always very kind dear Rinaldo.
Thank you so much!!! ;-)

user28555

sent on September 16, 2017 (15:46) | This comment has been automatically translated (show/hide original)

A nice lizard profile with (really) a great detail of free hand, especially on the snout and beautiful colors, well managed also the ambient light; on the frame (resuming the sensible talk of Rinaldo) you did not take a certain position and you stayed a little halfway taking only part of the lizard leaving the tail end outside, so the choice was between a selective glimpse and close to the muzzle or show it in full (maybe you had to rush in because the lizard then left and went away right away) ;-).
Anyway, there is nothing special about the photographic quality, sometimes it's just the details that make it the "leap of quality" ;-); good Pinus.
A greeting, Claudio :-P

Pinusdef

sent on September 16, 2017 (17:34) | This comment has been automatically translated (show/hide original)

Dear claudio I had to hurry, it was not a moment, then the escape was quick, it seemed,
speedy gonzales :-D
hello Claudio

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