Fauna
← Field guidesObservation · Migration

Watching raptor migration

Ridges, coastlines, and rising air concentrate migrating hawks, eagles, falcons, and vultures. Learn the site's season, scan in a repeatable pattern, identify shape before plumage, and keep personal notes separate from an official count.

Scope: Daytime visual observation from established migration viewpoints, with examples centered on North America; this is not a banding, telemetry, or population-analysis protocol. · Last updated

Two broad-winged hawks in flight against a blue sky.
Image: Broad-winged Hawk (Buteo platypterus) (51154306647) by Gregory "Slobirdr" Smith · CC BY-SA 2.0 · Resized and converted to WebP; displayed with a crop.
01 / FIELD SKILLS

Let the site explain the flight

Migration viewpoints work for different reasons: ridges can provide deflected updrafts, sun-warmed land can generate thermals, and coastlines can funnel birds reluctant to cross broad water. Read the site's season and access notes before visiting, then compare wind direction, cloud cover, and time of day with what experienced counters see. [1][2][4][5]

Several long formations of migrating snow geese crossing a pink evening sky.
Field frame · Editorial contextA contextual view from How birds navigate during migration.Image: Snow Goose Migration (16211906894) by Krista Lundgren / U.S. Fish and Wildlife Service · CC BY 2.0 · Resized and converted to WebP; displayed with a crop.
02 / FIELD SKILLS

Scan in layers

Begin with unaided eyes for nearby movement and kettles, sweep the horizon and ridge line with binoculars, then check the higher sky in overlapping bands. A scope can help on distant perched or slow-moving birds but has too narrow a field for much active scanning. Revisit landmarks so your search does not drift into one favored patch. [1][2][3]

A dark turkey vulture flying low over gray-blue water with one broad wing fully spread.
Field frame · Editorial contextA contextual view from How vultures find carrion.Image: Turkey vulture in flight, British Columbia.jpg by Buiobuione · CC BY-SA 4.0 · Resized and converted to WebP; displayed with a crop.
03 / FIELD SKILLS

Identify structure before color

Ask whether the wings are broad or pointed, the tail long or short, the head projecting or tucked, and whether the bird soars, glides, hovers, or powers along. Then add wing position, cadence, and only finally visible plumage. Distance and backlighting distort color, so a group-level identification is often the strongest defensible record. [2][3][4]

A common gull flying against a blue sky with its long wings fully spread.
Field frame · Editorial contextA contextual view from How birds fly.Image: Bird in flight wings spread.jpg by Bengt Nyman · CC BY 2.0 · Resized and converted to WebP; displayed with a crop.
04 / FIELD SKILLS

Support, do not duplicate, the count

Official counters use local rules to decide which birds are migrants, how to avoid recounting, and how to record weather and effort. Ask before calling numbers, keep your own list clearly labeled, and do not merge it with the official total. Stay within viewing areas, keep paths and sight lines open, and follow closures and parking rules. [1][2][4][5]

KEEP NOTICING

Related guides

Seen something?

Identify it and save the field note.

Identify a photo
SOURCES & STATUS

Where this guide comes from

Source-checked editorial guide. Last updated . This guide teaches identification and field skills; it is not a substitute for expert verification when it matters.