spider-tailed horned viper pseudocerastes urarachnoides

2006 animal appearance arachnid bordered bulblike but camelspider camouflaged cryptic dangerous described drooping end endemic fauna give has head horned iran long looks mountains other predator pseudocerastes rare region reptile scales similar snake special species spidedertailed spider spidertail spidertailed sunspider tail that tip unique urarachnoides venomous very viper was wave weirdest western which wildlife zagros