Metadata
Author: WikiMatrix
Data
English[en]
The chick usually hatches before the mother's return, and the father feeds it a curd-like substance composed of 59% protein and 28% lipid, which is produced by a gland in his oesophagus.
Swedish[sv]
Om ungen kläcks innan modern återvänder utfodrar fadern den med ett ostmasseliknande ämne som består av 59 % protein och 28 % lipider, vilket produceras av en körtel i hans matstrupe.