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Canada has five native species in the Canadian Wildlife Federation’s roster and two introduced species. The six profiles below therefore cover all five native species plus the introduced Brown Hare. The introduced European Rabbit is discussed separately so it is not mistaken for native Canadian wildlife.
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What “largest” means in this Canadian list
A strict top-six ranking would require the same measurements, taken from comparable adult samples, for all seven species reported in Canada. The sources available for this guide do not meet that standard. They combine government species profiles, a federal management plan, and historical distribution material. Some figures describe an average, some a source-specific range, and several species have no Canadian adult mass or length published in the cited material.
Accordingly, “largest” here means species selected because they are among Canada’s more substantial rabbit relatives or belong to the large-bodied hare group, with the selection made from the Canadian roster and the size evidence that is available. It does not mean that the first species listed is proven to outweigh every species below it.
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Rabbit or hare?
The Canadian Wildlife Federation explains that hares are typically larger than rabbits, with longer ears, longer legs, and larger hind feet. That is a useful general distinction, not a foolproof field key for every individual. A jackrabbit is a hare, despite the word “rabbit” in neither its scientific relationship nor its everyday nickname.
Canada’s seven plausible species
The Canadian Wildlife Federation identifies five native species: Eastern Cottontail, Mountain (Nuttall’s) Cottontail, Snowshoe Hare, Arctic Hare, and White-tailed Jackrabbit. It also lists Brown (European) Hare and European Rabbit as introduced. The six-feature selection below includes the five native species and the introduced Brown Hare; the European Rabbit remains an important seventh candidate but lacks comparable Canadian size data in the cited sources.
Six large rabbit and hare species reported in Canada
| Species | Status in Canada | Canadian range or habitat in the cited sources | Adult size evidence | Useful identification context |
|---|---|---|---|---|
| Arctic Hare (Lepus arcticus) | Native | Northern tundra and forest-tundra; a broad part of Canada from the Northwest Territories toward Newfoundland and Labrador | 3–5.5 kg and 60–80 cm in a Newfoundland and Labrador hunter-education manual result; verify the original passage and definitions before treating it as a national standard | Large hare form adapted to areas north of the tree line |
| Snowshoe Hare (Lepus americanus) | Native | Boreal and temperate forests in every Canadian province | Newfoundland and Labrador factsheet: average weight around 0.9–1.8 kg and average length 413–518 mm. A federal plan contrasts an adult at about 44 cm and over 1 kg | Seasonal coat and very large hind feet are characteristic hare clues |
| White-tailed Jackrabbit (Lepus townsendii) | Native | Southern prairie provinces and part of southern British Columbia in an older federal account | No comparable Canadian adult mass or length is supplied in the cited material | A jackrabbit is a hare, not a separate rabbit family category |
| Brown (European) Hare (Lepus europaeus) | Introduced | Historical federal material places it from southern Ontario to Quebec; current boundaries require fresh verification | No comparable Canadian adult mass or length is supplied in the cited material | Include it in a Canadian list only with its introduced status made explicit |
| Mountain (Nuttall’s) Cottontail (Sylvilagus nuttallii) | Native | Southern Okanagan and Similkameen valleys of British Columbia | Environment Canada’s 2015 plan: approximately 32 cm and 500 g for the Canadian nuttallii subspecies | Pale brown back, grey sides and rump, white belly, and a tail grey above and white below |
| Eastern Cottontail (Sylvilagus floridanus) | Native | Open wooded areas of southern Manitoba, Ontario, and Quebec | No comparable Canadian adult mass or length is supplied in the cited material | A cottontail rather than a hare; use range and habitat with the roster status when identifying it |
1. Arctic Hare: the northern heavyweight
The Arctic Hare is the clearest large-bodied candidate in this selection. A Government of Newfoundland and Labrador hunter-education manual search result reports a weight of 3–5.5 kg and a length of 60–80 cm. Those figures are useful for understanding the animal’s scale, but they are source-specific: confirm the original PDF passage and whether its length is total body length before using the numbers as a standardized comparison.
Quebec’s government profile places the species across much of Canada, from the Northwest Territories toward Newfoundland and Labrador. In Quebec it is associated mainly with the forest-tundra domain and northern areas. Its defining habitat is tundra north of the tree line, where a large body and powerful hind limbs help it move over open, cold terrain.
What the Quebec profile does—and does not—establish
The profile describes the Arctic Hare as abundant in Quebec but says there is no rigorous monitoring there for a precise population assessment. “Abundant” in that context should not be converted into a national population estimate or a claim that numbers are stable everywhere.
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Field clues
Look first at setting: an open, treeless or near-treeline northern landscape is more informative than size alone. The general hare pattern—longer ears, longer legs, and larger hind feet than rabbits—also applies, but an observer should avoid identifying an individual solely from a quick impression of body size.
2. Snowshoe Hare: the widespread forest hare
Snowshoe Hares occupy boreal and temperate forests in every Canadian province, according to Natural Resources Canada. A Newfoundland and Labrador government factsheet reports an average weight of around 0.9–1.8 kg and an average length of 413–518 mm. The word “average” matters: these are not guaranteed minimum and maximum measurements for every adult.
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Why the species matters beyond size
Snowshoe Hares browse buds, twigs, and bark in winter. Natural Resources Canada notes that forestry damage peaks near population highs, which recur on cycles of roughly 9 to 11 years. That cycle is an ecological pattern, not a promise that every local population reaches a peak on the same calendar year.
Identification and season
The species’ oversized hind feet are the source of its common name and help it travel over snow. Seasonal feeding and coat changes are part of its natural-history story, but coat appearance alone should not replace attention to habitat, tracks, ears, and hind-foot proportions. A Canadian Wildlife Service publication provides additional trail and natural-history context; its federal catalogue record says the text was revised in 2002 and issued circa 2005 in a physical-text edition.
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3. White-tailed Jackrabbit: a prairie hare by another name
The White-tailed Jackrabbit is one of Canada’s five native rabbit-and-hare species in the Canadian Wildlife Federation roster. The name can mislead new observers: a jackrabbit is a hare, and therefore belongs with the long-legged, large-footed hare forms rather than with cottontail rabbits.
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An older federal publication describes it as native to the southern prairie provinces and part of southern British Columbia. Because that account is dated, it should be treated as historical distribution context, not as a current population map. The cited material does not provide a comparable Canadian adult mass or length, so this guide does not assign it a numerical rank against the Arctic or Snowshoe Hare.
How to use the range information
In prairie or southern British Columbia research, treat the historical range as a starting point for checking current provincial records. Do not infer that every suitable-looking grassland contains the species, or that the older boundary remains unchanged.
4. Brown (European) Hare: a large introduced species
The Brown Hare, also called the European Hare (Lepus europaeus), is introduced rather than native in Canada. That status is essential to any identification list: including a species reported in Canada does not make it part of the country’s original fauna.
A historical federal publication describes an introduced population extending broadly from southern Ontario to Quebec. Its age makes it unsuitable for a precise modern range claim without checking current provincial or federal sources. The material cited for this article also supplies no standardized Canadian adult mass or length for the Brown Hare.
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Why it belongs in an editorial six
Hares are generally larger than rabbits, and the Brown Hare is a hare species established in parts of Canada. Including it gives readers a six-species feature that covers all five native species while clearly labeling the introduced addition. It is a selection decision, not proof that the Brown Hare is Canada’s fourth-heaviest species.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.5. Mountain (Nuttall’s) Cottontail: small beside a Snowshoe Hare
The Mountain Cottontail and Nuttall’s Cottontail are two common names for Sylvilagus nuttallii. Environment Canada’s 2015 federal management plan describes the Canadian nuttallii subspecies at approximately 32 cm in length and 500 g in mass. Those figures are the most specific Canadian measurements in the cited material for a cottontail.
The same plan places the subspecies in the southern Okanagan and Similkameen valleys of British Columbia. Its description gives a pale brown back, grey sides and rump, a white belly, and a tail that is grey above and white below.
Why the comparison is useful
The plan contrasts this cottontail’s approximately 32 cm and 500 g with an adult Snowshoe Hare at about 44 cm and over 1 kg. The contrast shows why common names can obscure scale: both are familiar Canadian lagomorphs, yet the cited adult descriptions differ substantially.
Dated conservation figures
The 2015 plan discusses Special Concern history, a small habitat area, and an estimated population under 3,500. Those are plan-era assessments, not current estimates. Use the latest official status material for present-day conservation decisions.
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6. Eastern Cottontail: a southern woodland native
The Eastern Cottontail is listed by the Canadian Wildlife Federation as native. Natural Resources Canada places it in open wooded areas of southern Manitoba, Ontario, and Quebec. The sources collected for this guide do not provide a comparable Canadian adult mass or length, so it cannot be placed honestly in a strict size order beside the measured Arctic, Snowshoe, and Nuttall’s Cottontail figures.
Its inclusion reflects the editorial scope: all five native species are represented, rather than silently dropping a native cottontail simply because a standardized measurement was not located. For identification, begin with the open-woodland setting and the cottontail category, then consult a regional field guide for diagnostic details and local look-alikes.
The seventh candidate: European Rabbit
The European Rabbit (Oryctolagus cuniculus) is introduced, not native. Natural Resources Canada reports established populations on Vancouver Island and in the Okanagan of British Columbia. The cited sources do not provide a comparable adult Canadian size figure, which is why it is not one of the six featured profiles.
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How to compare these animals without overclaiming
Keep measurement types separate
- An average describes the central tendency reported by a source; it is not automatically a species-wide minimum-to-maximum range.
- A range such as 3–5.5 kg or 60–80 cm should retain the source and its measurement definition.
- “Approximately 32 cm” and “about 44 cm” are rounded comparison figures, not laboratory-grade rankings.
- Missing data should be labeled “not stated,” not filled with a value borrowed from another species or another country.
Use habitat as a second identification axis
- Tundra north of the tree line points toward Arctic Hare habitat.
- Boreal and temperate forest across all provinces is consistent with Snowshoe Hare range.
- Southern prairie and southern British Columbia references are relevant to White-tailed Jackrabbit history.
- Southern Okanagan and Similkameen valleys are the cited Canadian setting for Nuttall’s Cottontail.
- Open wooded areas of southern Manitoba, Ontario, and Quebec are the cited Eastern Cottontail setting.
- Southern Ontario-to-Quebec distribution for Brown Hare is historical and needs current verification.
Do not identify from size alone
Age, sex, season, nutrition, and the measurement method can all affect apparent size. Long ears, long legs, large hind feet, tail pattern, coat, and habitat together provide more reliable context than trying to judge kilograms in the field. Never handle a wild lagomorph to obtain a measurement.
A practical checklist for a Canadian sighting
- Record the province or territory, habitat, date, and whether the ground is wooded, open, tundra, or agricultural.
- Estimate the animal’s proportions from a distance: ears, hind feet, legs, body, and tail.
- Note coat color and seasonal appearance without assuming that one color proves a species.
- Compare the observation with a regional field guide or government species profile.
- Check whether the candidate is native or introduced before reporting it as Canadian wildlife.
- For unusual records, submit photographs and location details to the relevant provincial wildlife authority rather than relying on an unverified internet identification.
Further reading and source limits
The Canadian Wildlife Federation roster is the basis for the five-native, two-introduced framework and the general hare-versus-rabbit distinction. Quebec government material supplies the Arctic Hare habitat and distribution context. Natural Resources Canada provides Snowshoe Hare ecology, the all-province forest range, the Eastern Cottontail setting, and the British Columbia European Rabbit populations. Environment Canada’s 2015 management plan supplies the Nuttall’s Cottontail measurements and the dated status discussion. Newfoundland and Labrador government material supplies the Snowshoe Hare averages and the Arctic Hare figures noted above; verify the original manual passage before quoting those Arctic measurements in formal work. The older federal range publication is historical context only.
Readers who want tracks, seasonal ecology, and identification help can look for a Canadian wildlife field guide or the Canadian Wildlife Service snowshoe hare booklet documented in the federal catalogue. The catalogue records a physical-text edition; it does not establish current stock, price, endorsement, or a particular seller.
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