When do black-crowned night herons arrive in Arizona?
The Black-crowned Night Heron is a summer breeder in Arizona — here is when to expect it, when it leaves, and how to be ready.
Black-crowned Night Heron timing in Arizona
- Arrives
- Around January
- Leaves
- By August
- Status here
- Summer breeder
- Nesting season
- February–July
- Present roughly
- January–August
In Arizona, black-crowned night herons are present through the warm months, arriving around January and heading south again by August.
These windows are set by latitude: Arizona sits in the southern part of this species' range, so timing here runs earlier than the continental average — spring comes sooner, and the birds follow it. 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-crowned night herons are expected in Arizona. 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 January is the time to act. Have feeders cleaned, filled and out by early January — the first black-crowned night herons into Arizona are scouting for reliable food, and a station that's ready early gets added to their route.
Once nesting begins around February, 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-crowned night herons eat while they're here
- Fish, frogs, crayfish and insects
Roosts in dense trees by day and raids ponds at night; often overlooked in city parks.
Full Black-crowned Night Heron diet guide → · Best feeder for black-crowned night herons →
Native plants that hold black-crowned night herons in Arizona
Food keeps a migrant for a day; habitat keeps it for the season. These Arizona-native plants are known to attract black-crowned night herons:
Summer fruit and one of the top caterpillar host trees.
Late-summer berry clusters taken by over 40 bird species.
Insect-rich in fall and seed in winter.
Dark summer fruit and heavy caterpillar load.
Seeds and bark insects; pygmy nuthatch and woodpecker habitat.
Acorns for jays and woodpeckers across the southern Rockies.
Late-season bloom supports insects; seed for sparrows.
Seed pods and insect-rich spring bloom.
Keep exploring
Frequently asked
When do black-crowned night herons arrive in Arizona?
black-crowned night herons typically arrive in Arizona around January, with nesting underway by February. Timing can shift a week or two with the weather in any given year.
When do black-crowned night herons leave Arizona?
Most black-crowned night herons have left Arizona by August. They spend the winter farther south and return the following spring.
Do black-crowned night herons stay in Arizona all year?
No — in Arizona the Black-crowned Night Heron is a summer breeder, present roughly January–August. Outside that window it is rarely seen in the state.
What should I put out before black-crowned night herons arrive in Arizona?
Have feeders up and clean by early January — first arrivals scout reliable food sources. Good offerings for this species: fish, frogs, crayfish and insects.
Sources
- Black-crowned Night Heron — All About Birds, Cornell Lab of Ornithology
- Black-crowned Night Heron life history — Cornell Lab of Ornithology
- Black-crowned Night Heron — Audubon Guide to North American Birds
- eBird region overview and bar charts — Arizona
- 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.