Serpente Dasypeltis: Esperti mangiatori di uova - la guida più specializzata e unica al mondo sulla cura di serpenti non velenosi
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Publisher: Independently Published
Pages: 288
Weight: 0.85
Height: 0.60 Width: 6.00 Depth: 9.00
Language: Italian
Scalazione
- File di squame dorsali : la maggior parte delle specie presenta tra 23 e 33 file a metà corpo, ma il conteggio esatto è diagnostico.
- Squame ventrali : Il numero di squame ventrali varia geograficamente e tra le specie, spesso fungendo da carattere distintivo fondamentale.
- Squame sottocaudali : il conteggio delle squame della coda aiuta a differenziare specie simili, con alcune specie che presentano un numero di squame costantemente inferiore rispetto ad altre.
- Scudi cefalici : le differenze tra le squame frontali e nasali sono particolarmente importanti. Alcune specie (ad esempio, D. parascabra e D. sahelensis ) hanno squame nasali indivise, mentre altre mantengono quelle divise.
- La maggior parte delle Dasypeltis raggiunge una lunghezza di 50-70 cm, sebbene le femmine di alcune specie superino il metro di lunghezza.
- D. loveridgei si distingue per le sue dimensioni ridotte.
- Variabile e criptica : D. scabra presenta la più ampia gamma di colorazioni, il che la rende una specie di riferimento in molte aree.
- Morfologie uniformi : D. atra (nera) e D. inornata (marrone uniforme) si distinguono per la loro semplicità .
- Specie a bande : D. fasciata e D. confusa presentano una marcata fasciatura dorsale o motivi a rombo.
- Forme regionali specializzate : D. taylori ha il ventre immacolato e poche macchie; D. latericia ha tonalità rossastre.
- Le specie di alta quota ( D. atra , D. crucifera ) presentano spesso una colorazione più scura, che potrebbe favorire la termoregolazione.
- Le forme della savana ( D. gansi , D. sahelensis ) tendono ad essere più chiare, mimetizzandosi con la vegetazione più secca.
- Le specie che crescono ai margini della foresta ( D. fasciata , D. palmarum ) mantengono forti contrasti cromatici adatti ad ambienti con luce filtrata.
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