Foot anatomy question

["Peter Shute" <>]

A guestion for the anatomy experts:

I've been reading about bird foot anatomy.  What I've read describes 5
possible toe arrangements:
Anisodactyl, syndactyl, heterodactyl, zygodactyl, pamprodactyl.

Now pelicans have totipalmate feet, which looks to me like the 4 toes
always face forward.  But none of the toe arrangements above look like
that.  What gives?

Peter Shute
==============================www.birding-aus.org
birding-aus.blogspot.com

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