Ornithologist and bird enthusiast, Peter Stettenheim, will discuss and show the structure and growth of feathers, plus how they work and what they do for birds.
(Ornithologist and bird enthusiast; will discuss; ) (Ornithologist and bird enthusiast; show; the structure and growth of feathers) (they; work; ) (they; do; for birds)
Ornithologist and bird enthusiast Ornithologist and bird enthusiast they they
will discuss show work do
the structure and growth of feathers
for birds