pest any unwanted and destructive insect or other animal that attacks food or crops or livestock etc.; "he sprayed the garden to get rid of pests"; "many pests have developed resistance to the common pesticides"
critter a regional term for `creature' (especially for domestic animals)
creepy-crawly an animal that creeps or crawls (such as worms or spiders or insects)
darter a person or other animal that moves abruptly and rapidly; "squirrels are darters"
peeper an animal that makes short high-pitched sounds
homeotherm,
homoiotherm,
homotherm an animal that has a body temperature that is relatively constant and independent of the environmental temperature
ectotherm,
poikilotherm an animal whose body temperature varies with the temperature of its surroundings; any animal except birds and mammals
range animal any animal that lives and grazes in the grassy open land of western North America (especially horses, cattle, sheep)
varment,
varmint any usually predatory wild animal considered undesirable; e.g., coyote
scavenger any animal that feeds on refuse and other decaying organic matter
work animal an animal trained for and used for heavy labor
feeder an animal being fattened or suitable for fattening
migrator an animal (especially birds and fish) that travels between different habitats at particular times of the year
molter,
moulter an animal (especially birds and arthropods and reptiles) that periodically shed their outer layer (feathers or cuticle or skin or hair)
pet a domesticated animal kept for companionship or amusement
stayer a person or other animal having powers of endurance or perseverance; "the horse that won the race is a good stayer"
stunt a difficult or unusual or dangerous feat; usually done to gain attention
offspring,
young something that comes into existence as a result; "industrialism prepared the way for acceptance of the French Revolution's various socialistic offspring"; "this skyscraper is the solid materialization of his efforts"
herbivore any animal that feeds chiefly on grass and other plants; "horses are herbivores"; "the sauropod dinosaurs were apparently herbivores"
insectivore any organism that feeds mainly on insects
acrodont an animal having teeth consolidated with the summit of the alveolar ridge without sockets
pleurodont an animal having teeth fused with the inner surface of the alveolar ridge without sockets
zooplankton animal constituent of plankton; mainly small crustaceans and fish larvae
conceptus,
fertilized egg,
embryo an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life
chordate any animal of the phylum Chordata having a notochord or spinal column
invertebrate any animal lacking a backbone or notochord; the term is not used as a scientific classification
metazoan any animal of the subkingdom Metazoa; all animals except protozoans and sponges
omnivore an animal that feeds on both animal and vegetable substances
game an amusement or pastime; "they played word games"; "he thought of his painting as a game that filled his empty time"; "his life was all fun and games"
larva the immature free-living form of most invertebrates and amphibians and fish which at hatching from the egg is fundamentally unlike its parent and must metamorphose
