Avian Anatomy Crossword

A pneumatised bone in an avian
Name the large bone which counteracts the action of flight muscles and supports the wing
What is an alternative name for the ventriculus
Name the structure that produces sound in a bird
Name the area where gaseous exchange takes place
Name one part of a birds stomach
What don't birds have in their urinary system that mammals do
State which side of the female reproductive system is fully developed
Name a factor that will trigger breeding
State the main factor that triggers reproduction in tropical birds
What is a factor that will disrupt a breeding cycle
What is the technical term for the bone which supports the connection of flight muscles
State which avian order has a total absense of pneumatised bones
Why does the avian neck contain more than 7 cervical verterbrae
Name the avian bone structure that is formed when caudal verterbrae are fused with lumbar verterbrae and the sacrum
Why is the avian pelvis not fused
State an alternative name for the sternum
Name a wing bone