10:Birds Flashcards
Species of song birds
Passerines
Species of birds w hooked beaks (eat lots of seeds)
Psittacines
Birds need large amounts of this for flight
CO2
Slit in roof of mouth which cleans, warms and humidifies air
Choana
Thin walled balloon-like O2 storage areas thro body
Air sacs
Food storage prior to digestion
Crop
What is the proventriculus
True glandular stomach
Grinds food, muscular
Gizzard/ ventriculus
Where the digestive tract and reproductive tract converge
Cloaca
Opening from cloaca out of the body
Vent
Only the (left/right) ovary and oviduct are functional
Left
This is ovulated from the ovary
Yolk
The egg white that is secreted
Albumen
The shell gland that secretes egg shell and pigment is located where
Uterus
Transit time for egg laying
24 hrs