The throat pouch of the Californian subspecies of the brown pelican turns bright red .
The throat pouch of the Californian subspecies of the brown pelican fades to yellow after the eggs are laid , while the throat pouch of the Peruvian pelican turns blue .
The throat pouch of the Californian subspecies of the brown pelican turns bright red , and fades to yellow after the eggs are laid , while the throat pouch of the Peruvian pelican turns blue .