Well this was a fun game to play with the family. Here’s some words we came up with:

Algae
Amphibians Animals Annual
Aquatic Baby Bacteria
Beasts Bipedal Birds Blossoms Buggers Bugs Bushes Cacti Carnivores Cats Crabs Crawler Creatures Creepy-crawly Critters Critters Dogs Dolphins Domesticated Estuarine Fauna Fern Fish Flora
Flutterer
Flyer
Foliage
Forager
Fowl Fungi Furballs Game
Grasses Herbivores Herbs Insects Invertebrates Larvae
Lentic Lichens Lizards Lotic Mammals Marine Microbes Mini-beasts Molds
Moss Moths Nestling
Old Omnivores Pelagic Perennial
Pests Plankton Pond dwellers Pray Predators Primates Protozoa
Prowler
Quadrapedal Reptiles Reptiles Riverine Rodents Scavengers Seedlings Serpents Sharks Shelled Shrubs Spores Swimmer
Symbiotes Trees Tropical Varmint
Vertebrates Vines Viri
Weeds Wetland Whales Wild Worms Yeasts Young xerophytic

Hope that was helpful.