Ospreys in New Hampshire
When ospreys are present in New Hampshire, when they nest, which native New Hampshire plants feed them, and how to host them in a USDA 3b–6a yard.
- Status in New Hampshire
- Summer breeder
- Nesting window
- April–June
- Broods
- 1 per season
- Hardiness zones
- USDA 3b–6a
When to expect ospreys in New Hampshire
Ospreys are summer residents in New Hampshire, arriving shortly before nesting begins in April and leaving after the young are independent.
Humid continental, with the White Mountains dividing the southern lowlands from northern forest.
Nesting in New Hampshire
Across New Hampshire, ospreys typically nest from April–June. Plan around that window: March for setup, June for clean-out.
Mild summers; nesting starts late May.
- Ospreys don't use nest boxes. Keep dense native shrubs and trees such as serviceberry, white oak, black cherry for nest sites.
- Delay heavy pruning of shrubs until after June.
Native New Hampshire plants that attract ospreys
Of the regional native plants we track for New Hampshire, these 8 provide food or cover ospreys use:
Early-summer berries arrive exactly when nestlings are being fed.
Acorns plus hundreds of caterpillar species for nestling food.
Summer fruit and one of the top caterpillar host trees.
Late-summer berry clusters taken by over 40 bird species.
Blue-black fall fruit and dense nesting cover.
Lipid-rich red fruit fuels fall migrants.
Late nectar for insects and fall seed for sparrows.
Insect-rich in fall and seed in winter.
Feeding ospreys through the New Hampshire year
- Top foods: None — a nest platform near water is the draw.
- In New Hampshire's summer: offer water and insect foods; natural food is abundant.
Frequently asked
Are ospreys in New Hampshire year-round?
No. Ospreys are summer breeders in New Hampshire and leave for the winter.
When do ospreys nest in New Hampshire?
Nesting in New Hampshire typically runs April–June, with 1 per season. Clutches are 1–4 eggs, incubated for 36–42 days.
What native plants attract ospreys in New Hampshire?
Serviceberry, White oak, Black cherry, American elderberry, Arrowwood viburnum, Spicebush, New England aster, Tall goldenrod are native plants in New Hampshire that provide food or cover for ospreys.
Ospreys in other regions
Other backyard birds in New Hampshire
Sources
- Osprey — All About Birds, Cornell Lab of Ornithology
- Osprey life history — Cornell Lab of Ornithology
- Osprey — Audubon Guide to North American Birds
- eBird region overview and bar charts — New Hampshire
- USDA Plant Hardiness Zone Map (2023)
- Audubon Native Plants Database
Timing reflects typical patterns for the region as a whole; local dates vary with elevation and year. Check the linked eBird bar charts for your county.