What the role of kisspeptin in Avian?

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Thomas W Kelsey

There might be little to understand, since the avian species are supposed to have lost both kiss1 and kiss2:

https://www.sciencedirect.com/topics/neuroscience/kisspeptin

Tejpal Dahiya

Kisspeptins are produced and used during reproduction in birds i.e. are components of reproductive physiology in birds