Reproductive Dynamics of Sterna hirundinacea Lesson, 1831 in Ilha dos Cardos, Santa Catarina, Brazil

Figure 5

JIII of Sterna hirundinacea in the beginning of this phase (a), details of the cannon feathers on the remiges (b), rectrices (c), and end of the stage (d).

(a)

(b)

(c)

(d)