Do Omnivorous Corvid Species Actually Need Grit?

Carrion crow Merylin

Some bird species have an expanded, thin-walled offshoot or pouch in the oesophagus, which is called the crop. The crop is being used to store food before it is being transferred through the oesophagus into the stomach. Corvids don’t have a genuine crop.

However, all bird species, including corvids, have two parts to their stomach. The first part of the stomach is the proventriculus or glandular stomach, where digestive enzymes are secreted to initiate the process of digestion. The second part of a bird’s stomach is the gizzard or muscular stomach.

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