Reptiles Active day and night

American Crocodile

Crocodylus acutus

iNaturalist Wikipedia

The American Crocodile is a prehistoric icon of the Neotropics, a master of both salt and fresh water that rules the mangroves with silent grace.

0 Sightings

0 Habitats

Quick Identification

straighten

Size

Adults typically measure 3 to 4.6 meters (10 to 15 feet) and weigh 175 to 500 kg (400 to 1,100 lbs), though record males can reach 6 meters (20 feet).

palette

Colors

Pale grayish-green or olive-brown upper body with a lighter cream or yellowish underside; juveniles have dark cross-banding on the body and tail.

visibility

Key Features

Narrow, triangular snout with a distinct hump between the eyes
Fourth lower tooth visible even when the mouth is tightly closed
Pale grayish-green coloration unlike the darker alligator
Thick, powerful tail with high dorsal scales

When You’ll See Them

schedule

Activity pattern Active day and night

brightness_5

Peak hours 6 PM - 4 AM (Hunting); 10 AM - 3 PM (Basking)

calendar_month

Season Year-round; most visible during the dry season (December-April) when they congregate in receding water bodies.

restaurant

Diet Opportunistic carnivores; juveniles focus on insects and small fish, while adults hunt large fish, crabs, turtles, water birds, and occasionally small mammals.

park

Habitat Mangrove swamps, brackish lagoons, salt marshes, and coastal river mouths; occasionally found in freshwater lakes and reservoirs near the coast.

public Geographic range

Where Does the American Crocodile Live?

Native to the Neotropical regions of the Americas, the American Crocodile occupies a wide coastal range from the southern tip of Florida in the United States down through the Caribbean islands of Cuba and Jamaica. Along the mainland, they are found on both the Atlantic and Pacific coasts of Mexico, extending through Central America into South America as far as Peru and Venezuela. This species is unique for its ability to traverse open saltwater, allowing it to colonize various island chains throughout the Gulf of Mexico and the Caribbean Sea.

Basemap © OpenStreetMap contributors

12 Countries

1.2M km² Range

Vulnerable Conservation

MX Mexico US United States Cuba Jamaica Dominican Republic Haiti CO Colombia VE Venezuela PA Panama CR Costa Rica EC Ecuador PE Peru

eco

iNaturalist / Verified observation data

View on iNaturalist open_in_new

Explore more Reptiles arrow_forward

Behavior

American Crocodiles are generally shy and reclusive reptiles, often retreating into the water at the first sign of human presence. They are highly efficient thermoregulators, spending long hours basking on mudflats or riverbanks with their mouths agape—a behavior known as 'gaping' that helps them release excess body heat. Unlike many other crocodilian species, they have specialized glands that allow them to process saltwater, making them exceptionally comfortable in coastal environments.

While they are primarily solitary, they can be found in loose groups in high-quality basking spots or during the breeding season. They are most active during the night, which is when they conduct the majority of their hunting. Despite their fearsome reputation, they are less aggressive toward humans than their counterparts in Africa or Australia, though they remain formidable predators that should always be observed from a safe and respectful distance.

photo_camera EverydayEarth exclusive

Camera Tips

To successfully capture an American Crocodile on a trail camera, you must focus on 'transition zones'—the specific spots where they transition from water to land. Look for 'slides,' which are smooth, muddy paths on riverbanks or mangrove edges created by the crocodile's belly as it moves. Mount your camera roughly 1 to 2 feet off the ground on a sturdy tree or a deeply driven stake, as these animals are low-slung and you want to capture their profile rather than just the top of their heads.

Because crocodiles are most active during the twilight and nighttime hours, your camera's infrared (IR) capabilities are critical. Use a 'No-Glow' or 'Black IR' flash to avoid spooking the animal; while they aren't as easily startled as mammals, a bright white flash can cause them to abandon a basking spot. Set your trigger speed to the fastest possible setting and use a wide-angle lens if available, as these reptiles can be surprisingly long and you want to avoid 'tail-only' shots.

Environmental protection is a major factor when filming in crocodile territory. The salt-spray and high humidity of mangrove swamps can quickly corrode standard electronics. Use a dedicated marine-grade or weather-sealed security box for your camera. Additionally, never use food as a lure; not only is it dangerous and often illegal, but it can also condition crocodiles to associate human scents with food. Instead, aim your camera at natural basking logs or narrow canal bottlenecks where they are likely to swim through.

Similar Species

Species that look similar or are commonly confused with American Crocodile.

American Alligator

Alligators are much darker (almost black), have a blunt U-shaped snout, and lack the salt-secreting glands that allow crocodiles to thrive in saltwater.

Morelet's Crocodile

Found in Mexico and Belize, this species is smaller and has a broader snout than the American Crocodile, with more prominent dark markings on its tail.

Browse all Reptiles arrow_forward

Frequently Asked Questions

American Crocodiles are primarily nocturnal, meaning they are most active at night when they do the majority of their hunting. However, you can frequently see them during the day basking in the sun to regulate their body temperature.

You should never attempt to attract crocodiles to a backyard, as they are large, powerful predators. If you live in a coastal area where they are present, the best way to observe them is by placing trail cameras near natural water edges or basking spots, avoiding any use of bait.

Their diet is diverse and changes with age. Young crocodiles eat insects and small fish, while adults graduated to larger prey including heavy-bodied fish, crabs, turtles, and birds. They use a patient ambush strategy to catch prey near the water's surface.

In certain parts of South Florida and coastal Central America, they are increasingly found in suburban canals and golf course ponds. While they usually avoid humans, their presence in residential areas is becoming more common as their populations recover.

The easiest way is the snout: crocodiles have a narrow, triangular V-shaped snout, while alligators have a wide, U-shaped snout. Also, when their mouths are closed, the crocodile's fourth lower tooth remains visible, whereas it is hidden in alligators.

Record American Crocodile at your habitat

Connect a camera to start building your own species record — AI identifies every visitor automatically.

Join free Identify a photo