Amazon Grasslands

Location:

Amazon Basin, Brazil

Biome:

Tropical Savannah

Climate:

Warm Temperatures Year-Round: Hot days and mild nights.

Seasonal Floods and Droughts: Wet and dry cycles define water availability.

Fire Risk: Dry seasons can lead to frequent wildfires.

Hazards:

Predators: Apex predators like Carakillers and Caimarauders dominate the food chain.

Fires and Drought: Grass fires and water scarcity endanger wildlife.

Flooding: Sudden rains reshape wetlands, trapping animals.

Insect Swarms: Aggressive colonies of Trapjaw Ants prey on small animals.

Bestiary:

Mammals

Babookari (Pithecus savannaensis)

Ancestor: Uakari Monkey.

Size: 1.2 meters (4 ft).

Appearance: Stocky, with red facial skin and thick fur. Adult males have long manes while females and juveniles lack manes.

Ecological Niche: Intelligent, omnivorous, and tool-using monkeys that live in large troops. Preyed upon by Carakillers.

Spinebeast (Dasypus armatus)

Ancestor: Armadillo.

Size: 2.5 meters (8 ft).

Appearance: Heavily armored with spiked, ankylosaur-like plating.

Ecological Niche: Herbivorous grazer using armor for defense.

Grassland Rattleback (Cuniculus robusta)

Ancestor: Paca.

Size: 1.2 meters (4 ft).

Appearance: Stocky rodent with overlapping armor plates.

Ecological Niche: Herbivore grazing near Spinebeasts for added protection.

Spiketail (Erethizon spinocaudata)

Ancestor: Porcupine.

Size: 90 cm (3 ft).

Appearance: Rodent with a spiny tail covered in barbed quills for defense.

Ecological Niche: Herbivore relying on tail to deter predators like Fanged Runners.

Grassrider (Hydrochoerus magnus)

Ancestor: Capybara.

Size: 2 meters (6.5 ft).

Appearance: Hippo-like body with webbed feet for marshy terrain.

Ecological Niche: Semi-aquatic grazer vulnerable to Carakillers and Caimarauders.

Tapiradon (Tapirus titanis)

Ancestor: Tapir.

Size: 4 meters (13 ft).

Appearance: Elephant-sized with a prehensile trunk-like snout.

Ecological Niche: Largest herbivore, shaping grassland ecology by grazing.

Treegrazer (Lama altiplanos)

Ancestor: Guanaco.

Size: 3 meters (10 ft) tall.

Appearance: Giraffe-like with elongated neck and slender legs.

Ecological Niche: Browses tree canopies and avoids predators by forming herds.

Fanged Runner (Eira carnivora)

Ancestor: Tayra.

Size: 1.5 meters (5 ft) long.

Appearance: Slender, dog-sized predator with saber-like teeth.

Ecological Niche: Ambush predator targeting Spineburrowers and Fleetlegs, competes with Carakillers.

Grizzlecoati (Nasua fortis)

Ancestor: Coati.

Size: 1.8 meters (6 ft).

Appearance: Bear-like with shaggy fur and digging claws.

Ecological Niche: Omnivore and scavenger feeding on roots, insects, and carrion.

Spineburrower (Echimys armatus)

Ancestor: Spiny Rat.

Size: 30 cm (1 ft).

Appearance: Small, burrowing rodent covered in protective spines.

Ecological Niche: Feeds on roots and tubers, preyed upon by Sprintegus and Fanged Runners.

Fleetleg (Dasyprocta agilis)

Ancestor: Agouti.

Size: 60 cm (2 ft).

Appearance: Gazelle-like rodent with slender legs for sprinting.

Ecological Niche: Herbivorous runner targeted by Carakillers and Fanged Runners.

Posstail (Didelphis arborensis)

Ancestor: Opossum.

Size: 50 cm (1.6 ft).

Appearance: Prehensile-tailed, dense-furred climber.

Ecological Niche: Arboreal insectivore preying on grassland insects.

Crested Howler (Alouatta altum)

Ancestor: Howler Monkey.

Size: 80 cm (2.6 ft).

Appearance: Tree-dwelling monkey with a loud howl and furry crest.

Ecological Niche: Herbivore and lookout, warning troops of predators.

Tusksnout (Pecarisius ferox)

Ancestor: Peccary.

Size: 1.2 meters (4 ft).

Appearance: Compact, warthog-like body with large tusks.

Ecological Niche: Omnivorous scavenger that defends kills from smaller predators.

Spikeroot (Tamandua spinifera)

Ancestor: Tamandua (Anteater).

Size: 1.2 meters (4 ft) long.

Appearance: Long, slender body covered in coarse fur. Its elongated snout ends in a sharp, spear-like tip, and its powerful claws are adapted for digging.

Ecological Niche: Specialized ant and termite predator, using its snout to pierce Trapjaw Ant nests and extract prey with its sticky tongue.

Birds

Carakiller (Phorusrhacocara rex)

Ancestor: Caracara.

Size: 3 meters (10 ft).

Appearance: Giant, flightless, predatory bird with sharp talons and colorful crest feathers.

Ecological Niche: Apex predator hunting in packs.

Burrowbeak (Psittaculus fossor)

Ancestor: Parrot.

Size: 50 cm (1.6 ft).

Appearance: Stocky, digging beak and earthy colors for camouflage.

Ecological Niche: Digs for roots and tubers, competing with Rattlebacks.

Grasscan (Ramphastos humilis)

Ancestor: Toucan.

Size: 40 cm (1.3 ft).

Appearance: Colorful-billed, with green plumage blending into foliage.

Ecological Niche: Frugivore feeding on fallen fruit and dispersing seeds.

Bloodbloom (Trochilidae sanguivora)

Ancestor: Hummingbird.

Size: 12 cm (5 in).

Appearance: Bright red plumage and needle-like beak.

Ecological Niche: Feeds on nectar and drinks blood from larger animals to supplement nutrients.

Swiftcrest (Rhea velocis)

Ancestor: Rhea.

Size: 2 meters (6.5 ft).

Appearance: Ostrich-like, feathered crest, long legs for speed.

Ecological Niche: Fast runner grazing on grasses and seeds, avoiding predators.

Stiltstrider (Ardeus paludis)

Ancestor: Heron.

Size: 1.5 meters (5 ft).

Appearance: Long legs, sharp beak, and gray-blue plumage for wading.

Ecological Niche: Hunts fish and amphibians in wetlands.

Reedflicker (Jacanavis liminae)

Ancestor: Jacana.

Size: 25 cm (10 in).

Appearance: Slender with long toes for walking on floating vegetation, brown feathers, and bright yellow markings.

Ecological Niche: Insect-eater in wetlands, avoiding predators like Stiltstriders.

Grassweaver (Oropendola socialis)

Ancestor: Oropendola.

Size: 40 cm (1.3 ft).

Appearance: Yellow-tipped tail, dark brown feathers, and a sharp beak.

Ecological Niche: Builds hanging nests in trees, feeding on seeds and insects.

Reptiles

Eared Lizard (Auriculatus minimus)

Ancestor: Basilisk Lizard.

Size: 15 cm (6 in).

Appearance: Small, slender lizard with ear-like frills on its head, colored red or yellow for display.

Niche: Insectivore feeding on small invertebrates like Leafmimic Mantises. It uses its frills to startle predators and blends into grass for camouflage.

Longthorn (Iguanodon herbiensis)

Ancestor: Iguana.

Size: 1.2 meters (4 ft).

Appearance: Herbivorous, quadrupedal lizard with a spiny tail for defense and rough, scale-covered skin.

Niche: Grazes on grasses and shrubs, defending itself with its spiked tail from predators like Carakillers.

Sprintegu (Tupinambis cursor)

Ancestor: Tegu

Size: 1.5 meters long

Appearance: Sleek, long-legged lizard with a theropod-like posture, earthy brown and yellow scales for camouflage.

Niche: Agile mid-tier omnivore, preying on small animals and foraging for plants while evading apex predators like the Carakiller and Fanged Runner.

Grasslash Viper (Vipera serravena)

Ancestor: Eyelash Viper.

Size: 1 meter (3.3 ft).

Appearance: Slender snake with green, grass-like patterns and heat-sensing pits for detecting prey.

Niche: Ambush predator of rodents and lizards. Blends into grass and strikes with venom.

Caimarauder (Caimanus predatoria)

Ancestor: Caiman.

Size: 4 meters (13 ft).

Appearance: Large, armored reptile with a crocodile-like snout and ridged scales.

Niche: Apex aquatic predator preying on fish, birds, and herbivores like Grassriders. Ambushes prey in rivers and wetlands.

Amphibians

Riverbell Frog (Leptodactylus campanula)

Ancestor: Smoky Jungle Frog

Size: 30 cm long

Appearance: Robust frog with green and brown mottled skin, a pale belly, and a throat sack resembling a bell.

Niche: Amphibious predator, feeding on insects, small fish, and invertebrates while serving as prey for larger predators like the Carakiller.

Fish

Scalejaw (Cichlidae osseomandibula)

Ancestor: South American Cichlid.

Size: 30 cm (1 ft).

Appearance: Armored head and broad jaw, metallic scales.

Ecological Niche: Omnivore feeding on invertebrates and algae, preyed upon by Caimarauders.

Mudmaw (Siluriformes detritalis)

Ancestor: Catfish.

Size: 1.2 meters (4 ft).

Appearance: Flattened body, whiskered barbels, and mud-colored skin.

Ecological Niche: Scavenger in muddy riverbeds, targeted by Babookari.

Razorfin (Serrasalmidae ferox)

Ancestor: Piranha.

Size: 50 cm (1.6 ft).

Appearance: Streamlined with sharp teeth and red fins.

Ecological Niche: Pack-hunting predator and scavenger.

Invertebrates

Trapjaw Ants (Formica carnivora)

Ancestor: Ant.

Size: Workers: 3 cm (1.2 in), Soldiers: 5 cm (2 in).

Appearance: Sharp mandibles, dark exoskeleton.

Ecological Niche: Eusocial predator hunting small reptiles and amphibians.

Leafskimmer (Libellula predatoria)

Ancestor: Dragonfly.

Size: 10 cm (4 in) wingspan.

Appearance: Metallic green body and translucent wings.

Ecological Niche: Predator controlling insect populations.

Leafcrawler (Coleoptera decomposis)

Ancestor: Beetle.

Size: 4 cm (1.5 in).

Appearance: Flat body with leaf-like patterns.

Ecological Niche: Detritivore breaking down plant matter.

Azureglide Butterfly (Morpho volatus)

Ancestor: Morpho Butterfly.

Size: 15 cm (6 in) wingspan.

Appearance: Iridescent blue wings, slightly larger than ancestors.

Ecological Niche: Pollinator of grasses and wildflowers.

Leafmimic Mantis (Mantidae foliiformis)

Ancestor: Praying Mantis.

Size: 8 cm (3 in).

Appearance: Camouflaged to look like a curled leaf.

Ecological Niche: Ambush predator of small insects.