The Ecosystem Guide
    Field Guide

    The Ecosystem Guide

    A premium digital field guide to every creature roaming the wilds, streets, and waters of Leonida — organized by biome.

    Key Takeaways

    • 10 animals confirmed in official Rockstar trailers. 8 more expected based on the Florida biome.
    • Grassrivers: Alligators & Pythons confirmed in Trailer 1. Wild Boar expected.
    • Vice City: Flamingos, Dogs, and Roosters confirmed. Cats and Pigeons expected.
    • The Keys: Tiger Sharks confirmed in Trailer 2. Manatees, Sea Turtles, Key Deer expected.
    • Mount Kalaga: Florida Panthers and Black Bears expected. Ambrosia: Deer and Cattle confirmed.
    Biome Distribution

    Grassrivers (Everglades)

    Alligators confirmed in Trailer 1. Pythons confirmed in Trailer 1. Boars expected in the dense swamplands.

    American AlligatorBurmese PythonWild Boar

    Leonida Keys

    Tiger Sharks confirmed in ocean scenes. Manatees, Sea Turtles, and Key Deer expected in the crystal-clear shallows.

    Tiger SharkGreen Sea TurtleFlorida ManateeKey Deer

    Mount Kalaga (Northern Forests)

    Florida Panthers and Black Bears expected in the dense subtropical forest highlands.

    Florida PantherFlorida Black Bear

    Vice City (Urban & Coastal)

    Dogs and Flamingos confirmed in Trailer 1. Pigeons and Cats expected throughout the city.

    American FlamingoDogCatPigeon

    Coastal Waters

    Dolphins confirmed in Trailer 2 ocean scenes. Seagulls seen in coastal footage along Port Gellhorn.

    Bottlenose DolphinLaughing Gull

    Ambrosia Farmlands

    Deer confirmed crossing a highway in Trailer 2. Roosters and Cattle seen in rural Leonida scenes.

    White-Tailed DeerRoosterCattle
    Filter by Category
    Predators
    Apex Hunters of Leonida

    Predators

    The most dangerous creatures roaming the swamps, forests, and coastal waters of Leonida. The alligator's store appearance in Trailer 1 set the benchmark — Rockstar's wildlife is not just scenery.

    American Alligator
    Deadly
    GrassriversConfirmed
    Special

    American Alligator

    Grassrivers / Everglades

    Territorial and explosive. Alligators bask motionlessly for hours then lunge up to 20 feet in under a second. Entering their territory triggers an immediate attack — there is no warning.

    Confirmed at 0:52 in Trailer 1 — seen inside a convenience store, confirming dynamic animal spawns in urban areas.

    Predators

    American Alligator

    Grassrivers / Everglades

    GTA VI's most iconic animal reveal. Confirmed at 0:52 in Trailer 1 — most memorably seen inside a convenience store, then throughout the Grassrivers swamps. The real Florida Everglades hosts over 200,000 alligators, and Rockstar's Leonida version matches that density with alligators basking on banks, lurking in murky water, and apparently wandering into buildings.

    Tiger Shark
    Deadly
    The KeysConfirmed

    Tiger Shark

    The Keys / Open Ocean

    Highly aggressive in open water. Will investigate and attack swimmers without warning. Deep water beyond the reef line guarantees an encounter.

    Predators

    Tiger Shark

    The Keys / Open Ocean

    Confirmed in Trailer 2 underwater footage patrolling the warm waters around the Leonida Keys. Tiger sharks are the second-most dangerous shark species to humans, growing up to 14 feet long. Their distinctive striped flanks and broad, flat heads are unmistakable in the clear Keys waters. Real Florida waters see more tiger shark activity than almost anywhere else in the world.

    Florida Panther
    Aggressive
    Mount KalagaExpected
    Special

    Florida Panther

    Mount Kalaga / Dense Subtropical Forest

    Stealthy ambush predator. Avoids human contact but will attack if cornered or approached at close range. Hunts at dawn and dusk, covering up to 20 miles per night.

    Expected — Florida Panthers are critically endangered (fewer than 200 remain). Their inclusion would be one of the most ecologically specific wildlife details in GTA history.

    Predators

    Florida Panther

    Mount Kalaga / Dense Subtropical Forest

    An endangered and elusive big cat that would stalk the dense subtropical forests of Mount Kalaga. Fewer than 200 Florida Panthers remain in the wild — any sighting is extraordinary. Rockstar included pumas in GTA V and cougars in Red Dead Redemption 2. The Mount Kalaga biome is a direct analog of the real Big Cypress National Preserve, the Florida Panther's last stronghold.

    Burmese Python
    Aggressive
    GrassriversConfirmed
    Special

    Burmese Python

    Grassrivers / Swamp Underbrush

    Ambush predator. Lies completely motionless in tall grass or shallow water, striking with explosive speed. Non-venomous but kills through constriction — capable of subduing prey much larger than itself.

    Confirmed in Trailer 1. Reflects the real invasive species crisis currently devastating Florida's Everglades — over 100,000 pythons estimated in the wild.

    Predators

    Burmese Python

    Grassrivers / Swamp Underbrush

    The invasive apex predator that has devastated South Florida's Everglades ecosystem. Confirmed in Trailer 1 footage showing an NPC handling a large constrictor snake. Burmese Pythons were introduced through the exotic pet trade and now number in the tens of thousands in real Florida, consuming deer, boar, bobcats, and alligators. They grow up to 20 feet and 200 pounds.

    Florida Black Bear
    Cautious
    Mount KalagaExpected

    Florida Black Bear

    Mount Kalaga / Northern Forests

    Generally cautious and avoidant — will flee in most situations. Mothers protecting cubs are an exception: unpredictable and extremely aggressive. Can reach 35 mph in a charge.

    Predators

    Florida Black Bear

    Mount Kalaga / Northern Forests

    The largest land mammal in Leonida. Florida's real black bear population of around 4,000 animals is concentrated in exactly the type of dense subtropical forest that Mount Kalaga represents. Rockstar included bears in both GTA V and Red Dead Redemption 2. Florida Black Bears are heavier than many bear populations — large males exceed 400 pounds.

    Wildlife
    The Heartbeat of the Wilds

    Wildlife

    From white-tailed deer spotted running across a Leonida highway in Trailer 2, to roosters crowing in rural backyards — the diverse wildlife that makes Leonida feel truly alive.

    White-Tailed Deer
    Passive
    Ambrosia FarmlandsConfirmed

    White-Tailed Deer

    Ambrosia Farmlands / Rural Highways

    Passive and skittish. Bolts at the slightest sign of danger. Most active at dawn and dusk — road crossings are frequent on rural Leonida highways.

    Wildlife

    White-Tailed Deer

    Ambrosia Farmlands / Rural Highways

    Confirmed in Trailer 2 with a clear shot of deer crossing a rural Leonida highway. They roam the open meadows, farmland, and forest edges of central Leonida at dusk and dawn. Florida's real deer population exceeds 700,000 animals — vehicle collisions are a genuine ecological concern that Rockstar may simulate with deer randomly crossing roads.

    Rooster
    Passive
    Ambrosia FarmlandsConfirmed
    Special

    Rooster

    Ambrosia Farmlands / Rural Properties

    Completely passive unless cornered. Scatters when approached. Crows at dawn — a small ambient detail that makes rural Leonida feel lived-in.

    Confirmed in Trailer 1. Free-range roosters are a real cultural staple of rural South Florida and the Keys — Key West's feral roosters are legally protected.

    Wildlife

    Rooster

    Ambrosia Farmlands / Rural Properties

    Confirmed in Trailer 1 footage of rural Leonida — a rooster is visible in a backyard scene with characteristic bright plumage. Free-range chickens and roosters are a genuine fixture of rural South Florida and the Keys. Real Key West is famous for its hundreds of wild roosters that roam freely through the city, legally protected from removal.

    Cattle
    Passive
    Ambrosia FarmlandsConfirmed

    Cattle

    Ambrosia Farmlands / Ranch Land

    Passive and slow-moving herd animals. Will stampede if a vehicle drives through at speed. Remain calm during normal player movement. Completely harmless otherwise.

    Wildlife

    Cattle

    Ambrosia Farmlands / Ranch Land

    Cattle were confirmed in Trailer 2, visible grazing in the open ranchland of central Leonida. Florida is actually one of the top cattle-producing states in the USA with over 900,000 head of cattle — a fact almost nobody outside the state knows. The Ambrosia region's wide pastures and working ranches make cattle a natural fit for livestock AI.

    Key Deer
    Passive
    The KeysExpected
    Special

    Key Deer

    The Keys / Pine Rocklands

    Passive and surprisingly tame — real Key Deer are accustomed to human presence and would likely approach cautiously if the player stands still. Cannot swim to other islands unlike white-tailed deer.

    Expected — real Key Deer are critically endangered, found only in the Florida Keys. Fewer than 1,000 remain. Their inclusion would be one of the most specific ecological references in any Rockstar game.

    Wildlife

    Key Deer

    The Keys / Pine Rocklands

    A miniature subspecies of white-tailed deer found exclusively in the Florida Keys — one of the rarest mammals in North America. Standing only 24–32 inches tall and weighing just 45–75 pounds, Key Deer are protected in the National Key Deer Refuge on Big Pine Key. Fewer than 1,000 survive in the wild. Their inclusion in the Leonida Keys would be an extraordinary ecological detail unique to this setting.

    Wild Boar
    Cautious
    GrassriversExpected

    Wild Boar

    Grassrivers / Swamp Underbrush

    Cautious but will charge if provoked or if young are nearby. Travel in groups called sounders. Surprisingly fast — can reach 25 mph. Tusks cause serious damage.

    Wildlife

    Wild Boar

    Grassrivers / Swamp Underbrush

    Invasive wild boars are one of Florida's most destructive animals, causing over $800 million in agricultural damage annually. Florida's feral hog population exceeds 500,000 and they root through swamps, farmland, and even suburban areas. Rockstar featured boars in Red Dead Redemption 2 and the Grassrivers biome provides ideal habitat — dense underbrush, mud wallows, and ample cover.

    Domestic
    City Companions

    Domestic

    Dogs on the Vice City boardwalk were confirmed in Trailer 1. Flamingos wading through coastal lagoons were impossible to miss. These animals make Vice City's streets and shorelines feel real.

    American Flamingo
    Passive
    Vice CityConfirmed
    Special

    American Flamingo

    Vice City / Coastal Lagoons & Mangroves

    Completely passive. Takes flight when approached too quickly. Feeds by swishing its upside-down bill through shallow water filtering algae and crustaceans. Flocks of 50+ birds create a spectacular visual.

    Confirmed in Trailer 1 and Trailer 2. American Flamingos have naturally recolonized South Florida — first confirmed nesting in over 100 years was recorded in 2023.

    Domestic

    American Flamingo

    Vice City / Coastal Lagoons & Mangroves

    GTA VI's most photogenic bird, confirmed prominently in both Trailer 1 and Trailer 2 wading through shallow coastal lagoons near Vice City. The American Flamingo is the only naturally occurring flamingo species in North America. Real flamingos have been making a remarkable comeback to South Florida in recent years after a century-long absence — Rockstar's timing captures this real ecological story.

    Dog
    Passive
    Vice CityConfirmed
    Special

    Dog

    Vice City / Beaches & Urban Areas

    Friendly and approachable. May follow the player if given attention. Reacts to nearby gunfire and vehicles. Some strays may be territorial in certain neighborhoods.

    Confirmed throughout Trailer 1 and Trailer 2 in multiple breeds. Dog AI is confirmed to be highly detailed.

    Domestic

    Dog

    Vice City / Beaches & Urban Areas

    Dogs were confirmed throughout Trailer 1 and Trailer 2, seen on Vice City's boardwalks, beaches, and streets in multiple breeds. Golden retrievers jog with owners on the beach; strays patrol back alleys; small dogs are carried by NPCs shopping on Ocean Drive. Rockstar's dog AI has evolved significantly since Chop in GTA V, and GTA VI appears to expand on the dynamic animal interactions from Red Dead Redemption 2.

    Cat
    Passive
    Vice CityExpected

    Cat

    Vice City / Residential Neighborhoods

    Cautious and independent. Observes from a distance, rarely approaches first. Reacts to sudden movements by bolting. May allow slow approach if the player moves carefully.

    Domestic

    Cat

    Vice City / Residential Neighborhoods

    Cats are expected in Vice City's residential neighborhoods — lounging on sun-warmed car hoods, perched on balconies, and slipping through back-alley gaps. South Florida has a significant stray cat population, with Miami running active trap-neuter-return programs. Cat behavior AI from Red Dead Redemption 2 would translate naturally to the urban environment.

    Pigeon
    Passive
    Vice CityExpected

    Pigeon

    Vice City / Urban Plazas & Rooftops

    Passive. Scatters as a flock when approached quickly but returns within seconds. Most active near outdoor dining and food carts. Nests on building ledges and under highway overpasses.

    Domestic

    Pigeon

    Vice City / Urban Plazas & Rooftops

    The ubiquitous city bird. Pigeons are expected in Vice City's plazas, parking structures, and near outdoor food vendors. In GTA IV, collecting 200 pigeons was a notable side mission — given the Florida setting, it's possible GTA VI revives a similar activity. Real Ocean Drive (the real-world Vice City analog) has an active pigeon population that rivals any urban plaza in the world.

    Marine Life
    Beneath the Waves

    Marine Life

    Explore the rich marine ecosystem off Leonida's coast — dolphins confirmed in Trailer 2 footage, tiger sharks in the deep water, and ancient sea turtles expected in the crystal-clear Keys.

    Bottlenose Dolphin
    Passive
    Coastal WatersConfirmed
    Special

    Bottlenose Dolphin

    Coastal Waters / Bays & Open Ocean

    Friendly and curious. Will swim alongside fast-moving boats, bow-riding the pressure wave. Completely harmless to the player. May be encountered in the open ocean or inside protected bays.

    Confirmed in Trailer 2 ocean footage. Real Biscayne Bay dolphins are individually catalogued by researchers — over 500 known individuals.

    Marine Life

    Bottlenose Dolphin

    Coastal Waters / Bays & Open Ocean

    Bottlenose dolphins were confirmed in Trailer 2 ocean footage, visible leaping and swimming in Leonida's warm coastal waters. They travel in pods of 2–15 animals and are a genuine highlight of boating in South Florida. Real bottlenose dolphins in Biscayne Bay — the real Vice City analog — are well-studied and regularly interact with boats, bow-riding and leaping alongside vessels.

    Laughing Gull
    Passive
    Coastal WatersConfirmed
    Special

    Laughing Gull

    Coastal Waters / Port Gellhorn & Beaches

    Passive but opportunistic. Scavenges aggressively near docks, beaches, and outdoor dining — will mob a dropped food item in seconds. Takes flight when vehicles approach. Large roosts form at sunset near port areas.

    Confirmed in coastal trailer footage. The Laughing Gull's call is one of the most recognizable ambient sounds of the South Florida coast.

    Marine Life

    Laughing Gull

    Coastal Waters / Port Gellhorn & Beaches

    The Laughing Gull — the most common seagull in South Florida — was visible in multiple coastal shots across both trailers, circling above the water near Port Gellhorn and along Vice City's beaches. Their distinctive 'ha-ha-ha' call is one of the defining sounds of the real South Florida coast. In GTA IV, shooting pigeons was a collectible mechanic; seagulls may serve a similar role in GTA VI.

    Florida Manatee
    Passive
    The KeysExpected
    Special

    Florida Manatee

    The Keys / Shallow Bays & Crystal Springs

    Extremely passive and slow-moving. Will not flee or attack. Surfaces every 3–5 minutes to breathe, making a distinctive sound. A completely peaceful encounter in the shallow Keys waters.

    Expected — Florida Manatees are federally protected and iconic to this region. Real boat speed zones protecting manatees could be simulated in-game with wanted level implications.

    Marine Life

    Florida Manatee

    The Keys / Shallow Bays & Crystal Springs

    The gentle giant of Leonida's waterways. Florida Manatees drift through crystal-clear springs and shallow coastal bays around the Keys, grazing on seagrass at a slow, peaceful pace. They are federally protected — striking one with a boat is a federal crime in the real world. Over 7,500 manatees inhabit Florida's waters, making them a near-certain Rockstar wildlife inclusion given the setting.

    Green Sea Turtle
    Passive
    The KeysExpected
    Special

    Green Sea Turtle

    The Keys / Coral Reefs & Nesting Beaches

    Passive and graceful. Swims slowly and can be observed up close while diving. Surfaces regularly to breathe. Completely harmless. May be encountered nesting on Keys beaches at night during summer months.

    Expected — Florida hosts the largest Green Sea Turtle nesting population in the US. Night nesting sequences would be a stunning ambient event unique to GTA VI.

    Marine Life

    Green Sea Turtle

    The Keys / Coral Reefs & Nesting Beaches

    Ancient mariners of the deep — Green Sea Turtles glide over the coral reefs surrounding the Leonida Keys. They can live over 80 years and have nested on South Florida beaches for millions of years. Florida hosts the largest Green Sea Turtle nesting population in the US, with over 37,000 nests recorded annually on its beaches. They are protected under the Endangered Species Act.

    Digital Field Guide

    Confirmed animals are visually identified in official Rockstar trailer footage (Trailer 1, Dec 2023 / Trailer 2, May 2025). Expected animals are strongly anticipated based on the South-Florida biome, Rockstar's wildlife history across GTA V and Red Dead Redemption 2, and real-world ecology. Images are official Rockstar screenshots of each animal's natural habitat in Leonida.