FAMILY:
ALLIGATORIDAE

A. mississippiensis
A. sinensis
C. crocodilus
C. c. apaporiensis
C. c. fuscus
C. latirostris
C. yacare
M. niger
P. palpebrosus
P. trigonatus

FAMILY:
CROCODYLIDAE

C. acutus
C. intermedius
C. johnstoni
C. mindorensis
C. moreletii
C. niloticus
C. novaeguineae
C. palustris
C. porosus
C. rhombifer
C. siamensis
M. cataphractus
O. tetraspis
T. schlegelii

FAMILY:
GAVIALIDAE

G. gangeticus

DICHOTOMOUS KEY
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Sub-adult basking on a partially-submerged log. In such a position, the animal can quickly retreat into water if necessary, although it's colouration and posture lend to its camouflage.

Photograph: United States Fish & Wildlife Service

ALL IMAGES:
[click on image for enlargement]

	Alligator habitat in Florida Everglades		Basking alligator on grass		Drawing of adult alligator
	Alligator on grass behind tree		Sub-adult basking on floating log		Leucistic hatchling (b&w)
	Head of large adult		Head of swimming adult		Front view of adult asleep on sand
	Adult floating in water		Sub-adult basking on floating log		Head silhouette in water
	Leucistic adult alligator		Dorsal view of elongated alligator head		Top-down view of sub-adult alligator
	Tightly-packed sub-adults in water		Close-up of juvenile alligator eye		Close-up of juvenile alligator head