Do Nicobar pigeons or Victoria Crowned pigeons produce cecal poop?

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Can anybody please confirm if Nicobar pigeons or Victoria Crowned pigeons produce cecal poop like other poultry birds?

Nicobar pigeon:

Victoria Crowned pigeon:

 

[jsantos66666666]

Please I need to know if they make cecal poops.

 

[casportpony]

Please I need to know if they make cecal poops.

"Ceca are absent in woodpeckers, hummingbirds, swifts, kingfishers, pigeons, mousebirds, cuckoos, and parrots."
Source: https://pubmed.ncbi.nlm.nih.gov/2575123/