spider-tailed horned viper pseudocerastes urarachnoides

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