external anatomical structure of birds

BEAK
List of words for the clue external anatomical structure of birds from the crossword:
HEAD SAC RETE PINNA NECK NEST RIB LOBE CAGE ROOT TOP ZONE EAR OVA THORN HIDE EMUS GEESE ITER
WordClue
ALAwing or winglike structure
HIPanatomical region
LAPanatomical feature
GATEdoorlike structure outside a house
SILOstructure for bulk materials
BOOBYgenus of birds
FRAMEstructure, skeleton
SHELLhard external covering of an animal
CONCHAshell-shaped structure
PASSERgenus of birds
SLUICEhydraulic structure
SYSTEMstructure, arrangement
FEATHERbody-covering structure of birds
GALLOWSstructure for execution
OUTHOUSEstructure containing a toilet
CORACIIDAEfamily of small birds
RENOVATIONprocess of improving a structure
HIRUNDINIDAEfamily of birds
SPHENISCIDAEfamily of birds
STRUTHIONIDAEfamily of birds
EXCISIONextermination
DODOextinct bird