The hair seals and walrus, lacking a dense coat of furl, are equipped with a thick blubber layer, as are the Arctic whales.
(The hair seals and walrus; lacking; a dense coat of furl) (The hair seals and walrus, lacking a dense coat of furl; are equipped; with a thick blubber layer)
The hair seals and walrus The hair seals and walrus, lacking a dense coat of furl
lacking are equipped
a dense coat of furl
with a thick blubber layer