Hawaii · 21.40°N

Backyard birds in Kailua, Hawaii

Which birds visit Kailua yards, when they nest at this latitude, and when to be out for the dawn chorus, all worked out from Kailua's own coordinates.

Male Northern Cardinal with crimson plumage and black face mask
Photo: Rhododendrites / Wikimedia Commons
Coordinates
21.402°, -157.741°
Population
38,635
June 21 daylight
13 h 26 min
December 21 daylight
10 h 50 min
Sunrise mid-April / late June
6:12 AM / 5:49 AM
Nesting vs state average
about the same time as the state-wide average
Hardiness zones (state)
USDA 9a–13a

Nesting timing in Kailua

The state guides give nesting windows for Hawaii as a whole, weighted toward where most people live (about 21.2°N). Kailua is at 21.4°N. Going by Hopkins' bioclimatic law, spring events move about four days per degree of latitude, so breeding here starts about the same time as the state-wide average. Elevation and nearby water also play a part.

Daylight triggers breeding. Kailua goes from 10 h 50 min of daylight at the winter solstice to 13 h 26 min in June, a 2 h 37 min swing.

Birds you can expect in Kailua

When to watch: dawn chorus in Kailua

Songbirds sing hardest in the 30–60 minutes before sunrise, and most of all in spring. In Kailua, sunrise is around 6:12 AM in mid-April, 5:49 AM at the June solstice and 7:03 AM in late December (local time, Pacific/Honolulu). Fill feeders the evening before so the first birds find food.

Native plants for Kailua yards

Naio
Myoporum sandwicense · Shrub

Native coastal to montane shrub with small white fruit.

ʻŪlei
Osteomeles anthyllidifolia · Shrub

Native rose-family shrub with white fruit.

Pōhinahina
Vitex rotundifolia · Shrub

Coastal groundcover that supports insects and seed-eaters.

ʻŌhiʻa lehua
Metrosideros polymorpha · Tree

The keystone native tree; red blossoms are nectar for honeycreepers.

Nearby cities in Hawaii

  • East Honolulu — 8 mi away, nesting about the same time as Kailua
  • Honolulu — 10 mi away, nesting about the same time as Kailua
  • Pearl City — 15 mi away, nesting about the same time as Kailua
  • Koolauloa — 18 mi away, nesting about the same time as Kailua
  • Makakilo / Kapolei / Honokai Hale — 23 mi away, nesting about the same time as Kailua
  • Kahului — 89 mi away, nesting about the same time as Kailua

Frequently asked

What birds live in Kailua all year?

Year-round residents across Hawaii include Northern Cardinal, House Finch, Northern Mockingbird. All of them visit backyard feeders in Kailua.

When do birds start nesting in Kailua?

Kailua sits at a different latitude from Hawaii's population centre, so nesting runs about the same time as the state-wide average, going by the rule of about 4 days per degree of latitude.

What time does the dawn chorus start in Kailua?

Songbirds start singing about 30–60 minutes before sunrise. In Kailua, sunrise is around 6:12 AM in mid-April and 5:49 AM in late June.

Sources

  1. eBird region overview and bar charts — Hawaii
  2. USDA Plant Hardiness Zone Map (2023)
  3. Audubon Native Plants Database
  4. GeoNames gazetteer (city coordinates & population)
  5. NOAA Solar Calculator methodology

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.