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cat biology*
It’s because of bird biology.
Some hormones–chemicals that control certain processes in living things–belong to this family, peptides. Other hormones don’t, like the steroid family of hormones.
Yes, I think peptides are more accurate.
If that were the case birth control pills wouldn’t work. Are you thinking of peptides? Some peptides are hormones and some aren’t, and there are hormones that aren’t peptides.
![](/images/tagblocked-7b05ae50e1f6b0f784fc7d2200ce2bd8.svg?vsn=d)
your current filter.![](/images/tagblocked-7b05ae50e1f6b0f784fc7d2200ce2bd8.svg?vsn=d)
your current filter.![](/images/tagblocked-7b05ae50e1f6b0f784fc7d2200ce2bd8.svg?vsn=d)
your current filter.![](/images/tagblocked-7b05ae50e1f6b0f784fc7d2200ce2bd8.svg?vsn=d)
your current filter.![](/images/tagblocked-7b05ae50e1f6b0f784fc7d2200ce2bd8.svg?vsn=d)
your current filter.![](/images/tagblocked-7b05ae50e1f6b0f784fc7d2200ce2bd8.svg?vsn=d)
your current filter.![](/images/tagblocked-7b05ae50e1f6b0f784fc7d2200ce2bd8.svg?vsn=d)
your current filter.![](/images/tagblocked-7b05ae50e1f6b0f784fc7d2200ce2bd8.svg?vsn=d)
your current filter.Edited
I mean, it is canonically what they eat
![](/images/tagblocked-7b05ae50e1f6b0f784fc7d2200ce2bd8.svg?vsn=d)
your current filter.not longstrong.m@re hormones!