Year Troop Level 1959 760 1960 900 1961 3,025 1962 11,300 1963 16,300 1964 23,300 1965 184,300 1966 385,300 1967 485,600 1968 536,100 1969 475,200 1970 334,600 1971 156,800 1972 24,200 1973 50. + 52 others found this useful.
The blue iguana is the largest native land animal on Grand Cayman with a total nose-to-tail length of 5 ft (1.5 m) and weighing as much as 30 lb (14 kg). It may be the heaviest species of iguana and most massive lizard in the Western Hemisphere. Its body length is 20â30 inches (51â76 cm) with a tail equal in length.
To date, the largest crocodile in captivity is Yai, who is listed in the Guinness Book of Records at 19 feet and 8 inches (6.0 m) from nose to tail-that was in 2000. Today he's just over 20 feet.