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

Figure 6

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

(a)

(b)

(c)

(d)