Page 195 - Ultimate Visual Dictionary (DK)
P. 195

EGGS

        EXAMPLES OF BIRDS’ EGGS











                                 BEE HUMMINGBIRD
                                 (Calypte helenae)






        GREATER BLACKBACKED GULL
        (Larus marinus)








           BALTIMORE ORIOLE  WILLOW GROUSE
           (Icterus galbula)  (Lagopus lagopus)








                                                                                         OSTRICH
                                                                                         (Struthio camelus)
           COMMON TERN       CARRION CROW       CHAFFINCH
           (Sterna hirundo)  (Corvus corone)    (Fringilla coelebs)

                                                                   Eye
           EMERGING FROM THE EGG                                                     THE NEWLY HATCHED CHICK
                                                           Beak
                                     Chick heaves itself                            Tympanum
                Eye                  out of  the egg  Egg-tooth                     (eardrum)
                                                                                               Chick is dry
             Beak                    Tympanum (eardrum)                                        about an hour
                                                                                               after hatching
         Egg-tooth                                       Nostril


                                                           Dry down
                                                     Shell

                                                                     Toe
                                                                 Claw
            Wet down                       Remains of  egg membranes
                                           (amnion and allantois)            Leg          Eggshell

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