Table 2 Morphological characteristics of Sarcocystis species from herring gulls

S. columbae

3270–7800 × 90–120

(5935 × 105; n = 2)

0.7–1.1 (0.9; n = 2)

6.3–8.1 × 1.2–2.4

(7.0 × 1.9; n = 20)

S. lari

2860–7520 × 52–80;

(6060 × 66.7; n = 8)

0.7–1.4 (1.1; n = 5)

6.2–8.9 × 1.2–2.0

87.2 × 1.6; n = 50)

S. halieti

3960–7930 × 43–128

(6221 × 75.6; n = 17)

0.8–1.2 (1.0; n = 12)

5.5–9.0 × 1.5–2.4

(7.1 × 1.9; n = 100)

S. wobeseri

3450–6900 × 70–200

(5189 × 120; n = 9)

0.7–1.5 (1.2; n = 7)

5.5–8.6 × 1.4–2.2

(7.0 × 1.8; n =30)