Question

Three differences between poisonous and non-poisonous snakes.-table

Answer 1

Difference # Non-Poisonous Snakes:

1.colour

Usually not brightly coloured, but pythons, common sand boa, red sand boa, anaconda, wart snakes (Acrochordus granulatus), etc. are brightly coloured.

2. Shape of head:

Head is usually narrow and elongated.

3. Neck:

No constriction in the neck.

4. Hood:

Hood absent.

5. Tail: Tail tapered and long except burrowing snakes. In Typhlopidae and Leptotyphlopidae the tail is short and stumpy. In Uropeltidae the tail is very short and rough. In sand boas also the tail is short and blunt.

Difference # Poisonous Snakes:

1. Colour:

Generally brightly coloured

2. Shape of head:

Head is long, triangular and posteri­or portion is wide.

3. Neck:

Neck always constricted.

4. Hood:

Present in majority cases; highly developed in Cobra group (Naja sp.); absent in Coral snakes, Krait, Russell’s viper, etc.

5. Tail:

Tail is abruptly tapered, but in sea snakes (Hydrophidae) the tail is flat- tend to form an oar-shaped structure and in land snakes the tail is cylin­drical.

Tail tapered and long except burrowing snakes. In Typhlopidae and Leptotyphlopidae the tail is short and stumpy. In Uropeltidae the tail is very short and rough. In sand boas also the tail is short and blunt.