I am ignorant of croc habits.They are interesting and apparently at the top of their food chsin.Do they have any natural threats in Africa? How about dominant Hippo's??

When do they "lie up" and when do they "patrol"??

Is there an optimal time to spot/hunt them??

How much would a usual dominant male croc weigh?? Their average size?? We all see the ??unusual 12-14 footers and gawk--Yowsers.