Figure 1.
Brown pelicans (Pelicanus occidentalis) in the Galápagos Islands.
a, age classes can easily be distinguished by their plumage: juveniles (J) have dark-brown heads and necks whereas adults (A) have white heads. b, plunge diving pelicans hunting for fish: a solo diving juvenile (centre) and a juvenile following an adult (right).
Figure 2.
Foraging success of adult and juvenile brown pelicans.
Data are shown for all six study sites.