Many of Remnant's animals are the same as those found in real life, although some species are unique to the series.
In addition to animal-like creatures known as Grimm, animals exist in the world of Remnant. The currently known animals in the series include:
- Sloths - In "The First Step", Nora says that she and Ren should make sloth noises in order to find each other in the Emerald Forest. In the episode "The Emerald Forest", Ren says "I still don't think that's what sloths sounds like".
- Cattle - In "Best Day Ever", Ruby is seen holding a carton of milk with a cartoon drawing of a cow on it. The ruined city of Mountain Glenn has a hamburger restaurant. In the RWBY Chibi episode "Director Ozpin", toy cows were also seen on a board game.
- Dogs - Zwei, a Pembroke Welsh Corgi, is sent by mail to Team RWBY in "Field Trip".
- Wolves - A wolf is seen engaging a Nevermore in "Grimm".
- Horses - Amber rides a white horse before entering a fateful battle in "Beginning of the End". The horse runs away as soon as the fight begins. A brown horse is seen in the village in "The Next Step".
- Pigs - In "The Four Maidens", there is a cooked ham on the table.
- Donkeys - In "Ruby Makes Cookies", the first episode of RWBY Chibi, Weiss is seen playing "Pin the tail on the donkey" with Myrtenaster.
- Bears - In "Prank Wars", the seventh episode of RWBY Chibi, Nora Valkyrie receives a stuffed bear.
- Cats - In "Kuroyuri", there are loaves of bread made to resemble cats in a bakery display.
- Crows, Ravens - Crows and ravens have made appearances since the early trailers before the series proper. One appears for a split second in the "Red" Trailer, but the first clear view of one is in the "Black" Trailer. It is later revealed that Qrow Branwen and his sister Raven can transform into a crow and raven respectively as part of a magical manipulation of an as-yet-unknown nature performed by Ozpin.
- Turkeys - Yang Xiao Long uses a pair of cooked turkeys as weapons during a food fight.
- Chickens - In "Jaunedice", Jaune Arc eats Beowolf shaped chicken nuggets. Neptune Vasilias is also seen eating chicken nuggets at A Simple Wok in "Painting the Town...".
- Seagulls - A pair of seagulls flies past the Belladonnas' home in "Necessary Sacrifice".
- Tuna - Ruby Rose mentions tuna in "Black and White".
- Swordfish - Weiss Schnee uses a swordfish as a weapon during a food fight.
- Other fish - In "Round One", Blake Belladonna is seen eating a bowl of fish noodles. In "Menagerie", some kiosks in the marketplace sell various kinds of fish.
- Wasps - Jaune is coerced into collecting a box of Rapier Wasps for Cardin Winchester in "Forever Fall". They are not physically shown, but their name suggests their possession of long stingers.
- Caterpillars - A caterpillar is seen in "Lessons Learned".
- Fireflies - A group of fireflies is seen in "Kids vs Adults vs Pups" of RWBY Chibi.