How to identify the Florida Scrub-Jay

To correctly identify the Florida Scrub-Jay (Aphelocoma coerulescens), 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

23-28 cm (9-11 in)

Wingspan

33-36 cm (13-14 in)

Weight

66-92 g (2.3-3.2 oz)

Physical features to check

1. 1

   Plumage

   Overall feather coloration and pattern.

   Adults have a vibrant blue head, nape, wings, and tail. The back is grayish-brown, contrasting sharply with the blue. The underparts are pale gray to whitish, with a distinct blue-gray breast band or 'necklace' that extends up the sides of the neck. The throat is white, bordered by a thin blue-gray malar stripe.

2. 2

   Beak shape

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

   Stout, slightly hooked, and black.

3. 3

   Eye color

   Iris color and any distinctive eye markings.

   Dark brown.

4. 4

   Leg color

   Leg and foot color.

   Black.

5. 5

   Distinguishing features

   Standout features that separate this species.

   The combination of a blue head, grayish-brown back, and pale underparts with a blue-gray breast band is unique among North American jays. They lack a crest, unlike many other jays.

6. 6

   Juvenile appearance

   How young birds differ from adults.

   Juveniles are duller overall, with a brownish head and back, and a less distinct blue coloration on the wings and tail. The blue-gray breast band is often absent or very faint, and the throat may be mottled brown. They gradually acquire adult plumage over their first year.

7. 7

   Seasonal changes

   Plumage variation between breeding and non-breeding seasons.

   No significant seasonal plumage changes. Plumage may appear slightly duller when worn before molting.

8. 8

   Sexual dimorphism

   How males and females differ.

   Males and females are monomorphic in plumage and size, making them indistinguishable in the field based on appearance alone.

Key field marks

• Plumage Coloration. Look for the unique combination of a solid blue head, nape, wings, and tail, contrasting with a grayish-brown back. The underparts are pale gray with a distinct blue-gray breast band.
• Lack of Crest. Unlike Blue Jays, Florida Scrub-Jays do not have a crest on their head, giving them a smoother head profile.
• Habitat. Their presence in low-growing oak scrub habitat is a strong indicator. If you're in Florida scrubland, this is the most likely jay species you'll encounter.
• Behavior. Observe their behavior: they are often seen foraging on the ground, caching acorns, and moving in small family groups. Their bold and curious nature can also be a clue.
• Vocalizations. Listen for their distinctive harsh 'skree-skree-skree' calls, which are quite different from the varied calls of a Blue Jay.

Explore the Florida Scrub-Jay