Bird field guide · New World Warblers

Photographing the Blackburnian Warbler

How to photograph the Blackburnian Warbler (Setophaga fusca): the right lens for its size, shutter speeds for perched and moving animals, and when it's most often seen (May).

11–15 cm1/3200–1/4000 s
Blackburnian Warbler (Setophaga fusca)
Photo: © Matt Felperin, some rights reserved (CC BY), uploaded by Matt Felperin via iNaturalist
11–15 cm
Typical length (family range)
1/1000 s
Shutter: perched / still
1/3200–1/4000 s
Shutter: action / flight
f/5.6–f/8
Aperture
15,713
Research-grade sightings in N. America
ModeManual + Auto ISOLock shutter & aperture, let ISO float
Shutter (still)1/1000 s
Shutter (action)1/3200–1/4000 s
Aperturef/5.6–f/8
FocusAF-C + subject/eye detectionUse a small flexible zone or animal-eye AF; tiny birds flit constantly, so shoot short bursts.
DriveHigh-speed burst
Lens400–600 mmFull-frame equivalent

Focal length needed to frame it#

For a subject about 13 cm long filling a third or half of the frame width horizontally. Small birds demand long lenses and a close approach — a blind or feeder setup helps.

Distance⅓ of frame (FF)½ of frame (FF)⅓ of frame (APS-C)⅓ of frame (MFT)
5 m (16 ft)419 mm608 mm279 mm209 mm
10 m (33 ft)837 mm1,216 mm558 mm419 mm
15 m (49 ft)1,256 mm1,824 mm837 mm628 mm
20 m (66 ft)1,675 mm2,432 mm1,116 mm837 mm
30 m (98 ft)2,512 mm3,649 mm1,675 mm1,256 mm
50 m (164 ft)4,187 mm6,081 mm2,791 mm2,093 mm

When to find it#

Jan: 0% Jan Feb: 0% Feb Mar: 0% Mar Apr: 7% Apr May: 49% May Jun: 7% Jun Jul: 4% Jul Aug: 11% Aug Sep: 16% Sep Oct: 4% Oct Nov: 1% Nov Dec: 0% Dec
Share of iNaturalist observations by month across North America. Peak months: May.

About the Blackburnian Warbler#

The Blackburnian warbler (Setophaga fusca ) is a small New World warbler. They breed in eastern North America, from southern Canada, westwards to the southern Canadian Prairies, the Great Lakes region and New England, to North Carolina.

Summary adapted from Wikipedia via iNaturalist (CC BY-SA 4.0).

Field-craft tips#

  • Spring migration (late April–May) is peak season.
  • Learn songs to locate birds before you see them.
  • Shoot at the canopy edge where light reaches the leaves.
  • Use a small flexible zone or animal-eye AF; tiny birds flit constantly, so shoot short bursts.
  • Sightings peak in May, which is when you'll have the most chances.
  • Tiny subjects: get close with a hide or feeder perch rather than cropping heavily.

Ethics#

  • The welfare of the animal comes first: if it changes its behaviour because of you, you are too close.
  • Stay on trails, respect closures around nests, leks, dens and haul-outs.
  • Avoid playback and baiting in sensitive seasons; never bait predators.
  • Don't share precise locations of rare, nesting or roosting animals publicly.

More New World Warblers#

Yellow-rumped Warbler Yellow-rumped WarblerSetophaga coronata Northern Yellow Warbler Northern Yellow WarblerSetophaga aestiva Common Yellowthroat Common YellowthroatGeothlypis trichas Palm Warbler Palm WarblerSetophaga palmarum Orange-crowned WarblerLeiothlypis celata American Redstart American RedstartSetophaga ruticilla Black-and-white Warbler Black-and-white WarblerMniotilta varia Wilson's Warbler Wilson's WarblerCardellina pusilla

Frequently asked questions#

What lens do I need to photograph a Blackburnian Warbler?

At about 13 cm long, a blackburnian warbler fills a third of a full-frame image at 10 m with roughly 837 mm, or at 20 m with 1,675 mm.

What shutter speed should I use for a Blackburnian Warbler?

1/1000 s when it's still; 1/3200–1/4000 s for action.

When is the best time to photograph a Blackburnian Warbler?

Observations in North America peak in May. Early morning and late afternoon give the best light and activity.

Sources & licences#

Last updated October 03, 2026 · How we calculate · Sources