Once you have located all the creatures in the grid, the remaining letters will spell out another of God's Creation.

LIONGNEXOB
AHGTSUCOLA
MSOLEOPARD
BIRWSEILFG
RFFOXAGSGE
LRELHENSNR
EWEVHSKRAO
MPBEARBATS
AASSDOGTNA
CGOATHPERS

ANT
DEER
GNAT
LOCUST
ASS
DOG
GOAT
OXEN
BADGER
EWE
HEN
PIG
BATS
FISH
HORSE
RAT
BEAR
FLIES
LAMB
SNAKE
BEE
FOX
LEOPARD
WOLVES
CAMEL
FROG
LION

solution...