supposedly the Bushmaster in SA mates for life & if you kill one you better expect the other to come looking for ya...
http://www.geocities.com/SiliconVall...ushmaster.html
Slender-bodied, the bushmaster is the longest
member of the pit-viper group, reaching
lengths up to
3.6 m (12 ft).
The fangs may be more than 2.5 cm (1 in) long.
dZ