That is the name with minor regional variations-Sahara horned, desert-horned, etc.
by slithering
3 feet
in the Sahara desert
No - it is a reptile !
Noise and vibrations.
100%
yes
severl times a day
they eat frogs by streams
100 times
its the horned viper or the sea snake
it kills by biting into its prey and then swallowing it