How to identify the Woodpecker (General)

To correctly identify the Woodpecker (General) (Varies by species (e.g., Picus viridis, Dendrocopos major)), check each of these features. Birds can be tricky: habit, habitat, and call often confirm a sighting that a single photo cannot.

Size at a glance

Length

14-58 cm (5.5-23 inches)

Wingspan

25-80 cm (10-31.5 inches)

Weight

20-500 g (0.7-17.6 oz)

Physical features to check

1. 1

   Plumage

   Overall feather coloration and pattern.

   Highly variable across species. Common patterns include black and white barring or spotting, green, red, or yellow patches, and often a red or yellow crown/nape patch. Many species exhibit cryptic coloration for camouflage against tree bark.

2. 2

   Beak shape

   Shape and color of the bill: a key field mark.

   Strong, chisel-like, and pointed, adapted for drilling into wood. Color varies from black to grey or horn-colored.

3. 3

   Eye color

   Iris color and any distinctive eye markings.

   Varies by species, often dark brown, red, or yellowish.

4. 4

   Leg color

   Leg and foot color.

   Typically grey to black, zygodactyl feet (two toes forward, two toes backward) for gripping tree trunks.

5. 5

   Distinguishing features

   Standout features that separate this species.

   Zygodactyl feet, stiff tail feathers used as a prop, strong chisel-like bill, and often a distinctive undulating flight pattern. Many species have a prominent red or yellow patch on the head.

6. 6

   Juvenile appearance

   How young birds differ from adults.

   Often duller in plumage than adults, with less defined markings. Head patterns may be less distinct or show a more diffuse red/yellow. Juveniles may also have a slightly softer bill.

7. 7

   Seasonal changes

   Plumage variation between breeding and non-breeding seasons.

   Generally minimal seasonal plumage changes in most species, though some may show slight variations in feather wear or brightness. Breeding plumage is typically the same as non-breeding plumage.

8. 8

   Sexual dimorphism

   How males and females differ.

   Present in many species, often involving differences in the extent or presence of red/yellow markings on the head (e.g., males may have more extensive red on the crown or malar stripe). Females are generally similar but with less prominent or absent colored patches.

Key field marks

• Flight Pattern. Look for an undulating, bouncy flight path, where the bird flaps its wings rapidly then glides with wings tucked, causing it to dip.
• Foraging Behavior. Observe if the bird is climbing tree trunks, bracing itself with its tail, and pecking or drilling into the bark. Listen for the sound of pecking or drumming.
• Plumage and Markings. Note the overall color pattern (e.g., black and white, green), presence and location of red or yellow patches on the head, nape, or vent, and any distinct barring or spotting.
• Vocalizations and Drumming. Listen for characteristic calls (e.g., 'yaffle' of Green Woodpecker, 'kik' of Great Spotted) and the rhythmic drumming on trees, which varies in speed and duration between species.
• Size and Shape. Estimate the bird's size relative to common birds. Woodpeckers generally have a compact body, strong neck, and a relatively large head with a pointed bill.

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