When do black-and-white warblers arrive in New Jersey?
The Black-and-white Warbler is a summer breeder in New Jersey — here is when to expect it, when it leaves, and how to be ready.
Black-and-white Warbler timing in New Jersey
- Arrives
- Around April
- Leaves
- By August
- Status here
- Summer breeder
- Nesting season
- May–July
- Present roughly
- April–August
In New Jersey, black-and-white warblers are present through the warm months, arriving around April and heading south again by August.
These windows are set by latitude: New Jersey sits in the middle part of this species' range, so timing here tracks the continental average closely. In any given year, weather can move the first arrivals by a week or two either way.
Month by month in this state
Highlighted months are when black-and-white warblers are expected in New Jersey. The edges of the window are the interesting weeks — first arrivals and last departures vary most from year to year.
Getting ready before they arrive
The week before April is the time to act. Have feeders cleaned, filled and out by early April — the first black-and-white warblers into New Jersey are scouting for reliable food, and a station that's ready early gets added to their route.
Once nesting begins around May, adults switch to protein-rich food for their young and visits to feeders become quick and purposeful. Expect the busiest activity at dawn.
What black-and-white warblers eat while they're here
- Caterpillars, beetles, ants and spiders
The only warbler that habitually creeps on trunks; occasionally visits suet during cold migration snaps.
Full Black-and-white Warbler diet guide → · Best feeder for black-and-white warblers →
Native plants that hold black-and-white warblers in New Jersey
Food keeps a migrant for a day; habitat keeps it for the season. These New Jersey-native plants are known to attract black-and-white warblers:
Fat-rich red fall fruit taken by thrushes, bluebirds and woodpeckers.
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.
Keep exploring
Frequently asked
When do black-and-white warblers arrive in New Jersey?
black-and-white warblers typically arrive in New Jersey around April, with nesting underway by May. Timing can shift a week or two with the weather in any given year.
When do black-and-white warblers leave New Jersey?
Most black-and-white warblers have left New Jersey by August. They spend the winter farther south and return the following spring.
Do black-and-white warblers stay in New Jersey all year?
No — in New Jersey the Black-and-white Warbler is a summer breeder, present roughly April–August. Outside that window it is rarely seen in the state.
What should I put out before black-and-white warblers arrive in New Jersey?
Have feeders up and clean by early April — first arrivals scout reliable food sources. Good offerings for this species: caterpillars, beetles, ants and spiders.
Sources
- Black-and-white Warbler — All About Birds, Cornell Lab of Ornithology
- Black-and-white Warbler life history — Cornell Lab of Ornithology
- Black-and-white Warbler — Audubon Guide to North American Birds
- eBird region overview and bar charts — New Jersey
- 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.