Swifts (Apodidae)

Swift

Apus apus

Length
17 cm
Weight
40 g
Clutch
2–3 eggs
Incubation
19–20 days
Fledging
37–56 days
Broods
1 per year
Nest box
Swift box with a 65 × 30 mm entrance, 5 m+ up

Identification

  • Scythe-shaped wings
  • All dark
  • Screaming flocks

Shrill screams.

Diet and garden feeding

Airborne insects.

  • Does not visit feeders.
  • Swift bricks and boxes under eaves are the single biggest help.

Nesting

Under roof tiles or in swift boxes.

Swifts by country

Sources

  1. Swift — RSPB bird guide
  2. Swift — BTO BirdFacts

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.