This printable word search puzzle contains 16 hidden words in a 24x24 letter grid. Words go horizontally, vertically, backwards, and diagonally. This word search is also available to download as a Microsoft Word document or a PDF.
invertebrate
coldblooded
warmblooded
vertebrate
arthropod
Amphibian
feather
Reptile
scales
Mammal
gills
milk
hair
Fish
Bird
egg