Brush Rabbit

Sylvilagus bachmani

Also known as: Riparian Brush Rabbit

LCLeast Concern

The brush rabbit is a small, dense-brush specialist found along California and coastal Oregon, rarely seen more than a hop from cover it can vanish into. Unlike jackrabbits, which run from danger across open ground, this rabbit survives by staying close to thickets and freezing or diving for cover at the first sign of trouble. It's also a steady food source for hawks, foxes, bobcats, and snakes across its range. Records below trace a dense, widespread population, heaviest in the brushy coastal counties of central California.

Range through the year

Where Brush Rabbit is seen

Brush Rabbit is recorded in 2 US states from 8,059 occurrence records, most heavily in California (7,366 records) and Oregon (693).

Current range8,059 records · 2 states
AlabamaArizonaArkansasCalifornia · 7,366 records · view state pageColoradoConnecticutDelawareDistrict of ColumbiaFloridaGeorgiaIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOregon · 693 records · view state pagePennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyomingAlaskaAKHawaiiHIPuerto RicoPR
Occurrence data by state and month
Brush Rabbit – occurrence records by US state and month (8,059 total across 2 states)
StateJanFebMarAprMayJunJulAugSepOctNovDecYear
California4714586428751,0109147154784875344233597,366
Oregon3636587985931037835412722693

Based on 11,181 georeferenced US records, 2000-2026. Shading is observation density (where people record sightings), not true abundance. Alaska, Hawaii & Puerto Rico shown as insets.

Explore by state

Brush Rabbit across 2 states

Occurrence records, conservation status, and the places it turns up, state by state. Open a state for detail, or visit its full page.

  • CaliforniaNativeCommon10,199 records

    State rankUnranked

    Notable placesGolden Gate National Recreation Area · Younger Lagoon Reserve · Point Reyes National Seashore · Santa Monica Mountains National Recreation Area

    Countiesrecorded in 12

    Year-round in California, with recorded sightings peaking in March–July.

  • OregonNativeCommon982 records

    State rankSecure

    Notable placesSiuslaw National Forest · Oregon Islands National Wildlife Refuge Wilderness Area · Lewis and Clark National Historical Park · Clay Meyers State Natural Area - (Beltz Farm)

    Countiesrecorded in 12

    Year-round in Oregon, with recorded sightings peaking in April–August.

IUCN Red List status

  1. LC
  2. NT
  3. VU
  4. EN
  5. CR
  6. EW
  7. EX

LC – Least Concern

Widespread and abundant; not at risk.

SizeBrush Rabbit beside a 1.8 m adult, drawn to scale
Created by potrace 1.16, written by Peter Selinger 2001-2019 Created by potrace 1.16, written by Peter Selinger 2001-2019
Body length
27–36 cm11 in–14 in
Weight
0.6–1 kg1.3–2 lb

Silhouettes drawn to scale against a 1.8 m5 ft 11 in adult.

Elevation

From 200 georeferenced records, the Brush Rabbit is recorded from sea levelsea level to 619 m2,031 ft, with half of sightings below 55 m180 ft.

Each band shows the share of georeferenced sightings that fall within it. Records cluster where people live and hike, so low, populated elevations are over-represented. Read this as observation density, not true abundance.

Observation peakMay6,065 records

Seasonality from research-grade observation dates across the US (6,065 records, all years). Reflects when the species is recorded, not a guarantee of presence.

Daily activity clockCathemeral– active in irregular bursts, day and night

1,374 brush rabbit observations logged by hour of day. Activity is cathemeral (active in irregular bursts, day and night), peaking around 9 AM.

12 AM: 2 observations1 AM: 4 observations2 AM: 2 observations3 AM: 2 observations4 AM: 1 observations5 AM: 3 observations6 AM: 23 observations7 AM: 82 observations8 AM: 133 observations9 AM: 153 observations10 AM: 110 observations11 AM: 82 observations12 PM: 44 observations1 PM: 63 observations2 PM: 66 observations3 PM: 121 observations4 PM: 152 observations5 PM: 116 observations6 PM: 105 observations7 PM: 65 observations8 PM: 18 observations9 PM: 8 observations10 PM: 13 observations11 PM: 6 observations12 AM6 AM12 PM6 PM

Based on 1,374 records (all years). Reflects when people record sightings, not only when the animal is active.

Hourly observation counts: 12 AM 2, 1 AM 4, 2 AM 2, 3 AM 2, 4 AM 1, 5 AM 3, 6 AM 23, 7 AM 82, 8 AM 133, 9 AM 153, 10 AM 110, 11 AM 82, 12 PM 44, 1 PM 63, 2 PM 66, 3 PM 121, 4 PM 152, 5 PM 116, 6 PM 105, 7 PM 65, 8 PM 18, 9 PM 8, 10 PM 13, 11 PM 6.

Best encounter

Where and when to see a Brush Rabbit

Your best chance: California, in May, during the day.

Where
CaliforniaCA
When
May
Time
During the daycathemeral
Trophic relationshipsFood web What a Brush Rabbit eats, and what eats it.
Eaten by6
This speciesBrush Rabbit
Warrior's PlumePedicularis densifloraWild OatAvena sativa
Eats2

A sample of documented feeding relationships, filtered to species that also occur in the US. Diet and predators vary by region and season, and this is not a complete list, many animals eat, and are eaten by, more than what has been formally recorded here.

Life history

The Brush Rabbit (0.6–1 kg1.3–2.2 lb) is a herbivore that first breeds around 0.4 years, carries a 27-day gestation, and bears about 3.5 young per litter.

Reproduction

Gestation
27days
Litter size
3.5youngaverage
Litters / year
3.88litters
Age at first breeding
0.4years

Diet composition

Herbivore

By foraging composition: 100% plant material.

  • Plant material100%

Most active at dawn and dusk and at night.

Typical values for the species, not local measurements.

Commonly confused with

Animals people sometimes mistake for the brush rabbit, and how to tell them apart.

Built to disappear into brush

The brush rabbit doesn’t rely on speed the way a jackrabbit does. It sticks close to dense chaparral, coastal scrub, and streamside thickets. Its main defense is staying hidden rather than outrunning a predator. A network of runways through the brush lets it duck for cover within a few steps of wherever it happens to be feeding.

Coastal scrub and streamside thickets, not much farther inland

More than eight thousand confirmed records make this one of the better-documented small mammals in this part of the country. California carries the overwhelming majority of them, with a smaller population reaching into coastal Oregon. The species sticks to low, brushy ground. Most records sit under 330 feet in elevation, though some populations climb well into the foothills. One isolated form, found only along a handful of Central Valley waterways, is far more vulnerable than the species as a whole. It gets separate attention from wildlife agencies as a result. Sightings run year-round but climb sharply each spring, tracking the flush of new grass and clover the rabbits depend on.

Grass, clover, and a long list of predators

Grasses and forbs make up its whole diet, with green clover a particular favorite. That diet makes the brush rabbit one of the more consistently hunted animals in its range. Weasels, gray foxes, bobcats, domestic cats, gopher snakes, and red-tailed hawks all take it regularly. It feeds mostly around dawn, dusk, and after dark, staying low through the brightest hours of the day.

Built to breed fast

A brush rabbit can be pregnant for less than a month and raise several litters in a single year, sometimes close to four. Young reach breeding age themselves within about five months. That pace has less to do with abundance and more to do with survival math. With so many predators working the same brush, a slow-breeding rabbit wouldn’t last long in this landscape.

Conservation

The IUCN lists the brush rabbit as Least Concern across its range as a whole. The isolated Central Valley population mentioned above is a separate story. Wildlife agencies treat it as a distinct conservation concern, a reminder that a common species overall can still carry a genuinely at-risk population within it.

Data & sources

The data and visualizations on this page draw on these open sources:

  • GBIFCC-BY 4.0occurrence records behind the range map, elevation, and record counts
  • iNaturalistCC0 / CC-BY / CC-BY-SAobservations, photos, and audio recordings
  • PhyloPicCC0 / CC-BY per itemthe to-scale silhouettesPatricia Holroyd (Sylvilagus bachmani) · Andrew A. Farke (human silhouette, CC-BY 3.0)
  • AnAge (HAGR)CC-BY 3.0longevity, maturity, and gestation figures
  • IUCN Red Listattributed factthe global conservation status
  • Global Biotic Interactions (GloBI)CC0 · public domainthe food web
  • Amniote Life-History DatabaseCC0 · public domainreproduction figures
  • EltonTraitsCC0 · public domaindiet and foraging-activity data