#2. Plumulaceous feathers are the
soft down that keeps babies warm and insulates adults, often as an underlayer.
We will learn more about these in the next lesson.
The Souse
Ornithology #20
Feathers: The Anatomy
of a Feather #1
Page #9

#2. Plumulaceous feathers are the
soft down that keeps babies warm and insulates adults, often as an underlayer.
We will learn more about these in the next lesson.
The Souse
Ornithology #20
Feathers: The Anatomy
of a Feather #1
Page #9
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