Originally described as Coluber septemvittatus by Thomas Say in 1825. Maximum total length in Virginia is 715 mm. Dark brown body with cream lateral stripe on scale rows 1-2. Males slightly smaller than females in SVL but similar total length
Penguins can't fly but swim underwater. African pygmy falcon is smallest raptor in Africa. Giant fruit bat roosts in colonies up to 1,000 individuals. Giant walking stick is one of longest walking sticks
Megalania was the largest terrestrial lizard, reaching up to 5 metres in length. It featured a distinctive crest on its snout and sharp, recurved teeth. Its humerus was unusually wide at its distal end, unlike other monitor lizards
There are over 3,000 snake species worldwide, with about 600 being venomous. Venomousness is measured using median lethal dose (LD50) test. Snakes are categorized based on venom amount and potency
Most spiders have eight eyes but poor eyesight. They rely on touch, vibration and taste for navigation. Most can detect light-dark changes for nocturnal activities. Some spiders have median eyes for polarized light detection
Snake body consists mainly of long chest, not tail. Snakes move using serpentine, concertina, caterpillar, or sidewinging methods. Hoods are flattened body parts with straightened ribs