Are There Groundhogs in New Hampshire?
Groundhogs are common and widespread throughout New Hampshire, thriving in the state's diverse forests, grasslands, and transitional habitats. They inhabit both lowland agricultural areas and mountain foothills where suitable habitat conditions exist. Groundhog populations have remained stable or increased across New Hampshire for decades as the state's mixed woodland and agricultural landscape provides excellent habitat.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 22, 2026.
- 502
- GBIF records
Yes, groundhogs are in New Hampshire. Next you'll want:
Groundhogs are common and widespread throughout New Hampshire, thriving in the state's diverse forests, grasslands, and transitional habitats. They inhabit both lowland agricultural areas and mountain foothills where suitable habitat conditions exist. Groundhog populations have remained stable or increased across New Hampshire for decades as the state's mixed woodland and agricultural landscape provides excellent habitat.
Where in New Hampshire Groundhogs Are Found
Groundhogs occupy suitable habitat throughout New Hampshire from the seacoast region westward to the White Mountains. They are particularly abundant in the southern portions of the state where agricultural lands and pastures provide ample food and burrowing opportunities. The Connecticut River Valley supports significant groundhog populations in areas where forests transition to grasslands. Merrimack County and southern Hillsborough County have dense groundhog presence in agricultural and suburban zones. The White Mountains region of northern New Hampshire supports groundhogs at lower elevations where vegetation is suitable. Cheshire County in southwestern New Hampshire contains productive groundhog habitat in mixed forests and farmland. Grafton County areas with lower elevation valleys support groundhog populations near streams and river corridors. Rock County and Carroll County have groundhogs wherever forest meets open meadow. Throughout New Hampshire, groundhogs concentrate in areas with adequate burrow soil, typically not found on rocky slopes or dense coniferous forests. The state's transition zones between forest and field represent ideal groundhog habitat. For more on groundhog in New Hampshire, see ourNew Hampshire groundhog guide.
Season and Timing in New Hampshire
Groundhogs in New Hampshire follow a pronounced seasonal cycle driven by the state's cold winters and abundant spring and summer vegetation. They emerge from hibernation in March or early April as temperatures rise and frost leaves the soil. April through May is the breeding season when males search for mates and establish territories with increased activity. Early summer, June through July, sees maximum groundhog activity as newly independent juveniles emerge from burrows and begin establishing their own home ranges. August and September represent the most visible period as groundhogs increase feeding intensity, gaining weight for hibernation. Peak hyperphagic feeding continues through October as animals consume enormous quantities of vegetation daily. November arrival of consistent cold weather triggers hibernation behavior as groundhogs enter their burrows for extended winter sleep. Late autumn preparations include creating sealed burrow chambers and establishing adequate fat reserves. Emergence timing varies slightly depending on local snow melt and soil thawing rates across different New Hampshire regions. Spring emergence can occur a week or two earlier in lower elevation southern counties than in northern mountain areas. You can also browseNew Hampshire wildlife.
How to Identify a Groundhog
Groundhogs are stocky, strong rodents weighing six to fourteen pounds with muscular bodies adapted for powerful digging. Their fur is primarily brown to dark brown with coarse guard hairs that create a grizzled appearance. The undersides display yellowish-brown coloring that contrasts with darker fur on the back. Small rounded ears sit high on their head, and their dark eyes are positioned to allow vision while partially underground. Short powerful legs with strong claws are specialized for excavating and maintaining burrow systems. Their bushy tail is relatively short and thick, often held low when the groundhog walks. Males grow noticeably larger than females, especially during breeding season when males actively defend territories. Adult groundhogs have prominent orange incisors visible when their mouth is closed, as their front teeth never stop growing. Groundhogs make distinctive whistling and clicking sounds when alarmed, earning them the nickname whistle pig. The dark color phase, where some New Hampshire groundhogs appear very dark brown or blackish, is less common than standard brown coloring but does occur in the state. See all of ourwildlife guides.
Where Sightings Concentrate in New Hampshire
Groundhog sightings in New Hampshire concentrate in agricultural counties with pastures, fields, and scattered woodlots typical of the southern and central portions of the state. Hillsborough County has consistently high groundhog visibility, particularly around Manchester, Nashua, and rural surrounding areas. Merrimack County contains abundant groundhogs in farmland and transitional forest zones. Cheshire County in the southwest has excellent groundhog habitat in areas around Keene and across rural agricultural lands. Rockingham County in the southeast supports substantial groundhog populations in mixed forest and cleared land. The Connecticut River Valley provides a habitat corridor supporting groundhog populations from Vermont into Massachusetts. Suburban and exurban developments in southern New Hampshire contain groundhogs in residential areas where gardens attract foraging animals. County roads with vegetated embankments and ditches provide travel corridors between habitat patches. Field edges near woodlines are prime groundhog territory for summer and early fall observation. Groundhogs appear less frequently at higher elevations in the White Mountains region but still occupy suitable valleys and lower slopes.
Typical Groundhog Behavior
Groundhogs are diurnal, most active during morning and afternoon hours when they forage for vegetation. They consume up to one and a half pounds of plant material daily during the growing season, focusing on clover, alfalfa, dandelions, vegetables, and grasses. Groundhogs spend substantial time maintaining and expanding their burrow systems, which can extend twenty feet in length with multiple chambers and entrances. These burrows provide shelter from predators and insulation from extreme temperatures. Once established in an area, a groundhog typically remains within a home range of one to two acres. Males establish territories during breeding season and aggressively defend them from other males. Groundhogs stand upright on hind legs frequently to scan for predators and watch for other groundhogs. They communicate through whistles, clicking sounds, and tail movements when alarmed. Their bushy tail serves as insulation and provides balance when standing upright. Groundhogs are mostly solitary except during the breeding season in spring. They are excellent swimmers and often burrow near water sources for access to moisture and drinking.
Coexistence and Safety Notes
Groundhogs pose minimal danger to people but can cause significant problems in agricultural settings and residential gardens. They are not aggressive toward humans and prefer fleeing into burrows when approached or threatened. A cornered groundhog may bite defensively but such encounters are extremely rare in normal circumstances. Groundhog burrows can damage lawns and create hazards for livestock and farm equipment on agricultural properties. Garden damage from groundhog feeding can be substantial during summer months when they consume vegetables daily. Live exclusion using fencing and other physical barriers is the most humane and practical control method. Filling burrows is ineffective since groundhogs quickly reopen them or relocate nearby. Live trapping and relocation should only be performed by licensed professionals and is illegal without proper permitting. Groundhogs provide ecological benefits by aerating soil through burrowing and serving as food for predators. Their presence indicates healthy soil conditions in many New Hampshire habitats. Peaceful coexistence through exclusion and tolerance is often the most practical approach for New Hampshire residents.
Common Species People Confuse with Groundhogs
Several New Hampshire mammals are sometimes mistaken for groundhogs due to similar size or ground dwelling behavior. Woodchucks are an old-fashioned name for groundhogs and are the same animal, not a separate species. Muskrats are smaller, semi-aquatic creatures found near water with rat-like tails and smaller ears than groundhogs. Beavers are much larger, semi-aquatic, with flat tails and teeth marks on felled trees uncommon near groundhog burrows. Porcupines have visible quills covering their body and make different sounds and movements than groundhogs. Badgers have distinctive black and white facial markings and stocky bodies but move with a different gait. Prairie dogs are not found in New Hampshire and have smaller bodies and different coloration than groundhogs. Rabbits are smaller with longer ears and hop rather than walk with the low-slung gait of groundhogs. Rock squirrels and ground squirrels are considerably smaller with stripes or spots on their fur. Raccoons have distinctive black masks and ringed tails and are primarily nocturnal unlike diurnal groundhogs. Size, coloring, and distinctive features help distinguish groundhogs from other New Hampshire wildlife.
Frequently Asked Questions
Q: When can I expect to see groundhogs in New Hampshire? A: Spring through fall offers viewing opportunities, with peak visibility from May through September in most of the state. Q: Do groundhogs live in the White Mountains? A: Groundhogs are found at lower elevations throughout the mountain region but are less common at higher elevations with dense coniferous forest. Q: Can groundhogs damage my garden significantly? A: Yes, a single groundhog can consume large amounts of vegetables and cause visible damage quickly, making fencing essential for protection. Q: Are groundhogs dangerous? A: No, groundhogs are not dangerous to people and will flee rather than attack when surprised or approached. For more information aboutgroundhogs in New Hampshire, explore theNew Hampshire wildlife guideor learn aboutwildlife across Americaand their seasonal patterns.
Plan your groundhog sighting in New Hampshire
502 verified groundhog records have been logged in New Hampshire, most recently in 2026. See the GBIF records.
Where to look in New Hampshire
- Appalachian National Scenic Trail · Wildlife Watching, Birdwatching · Find hotels
- Saint-Gaudens National Historical Park · Wildlife Watching, Birdwatching · Find hotels
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