#6 Corporal with koala, 1915

Most likely, this is his mascot or pet.
#7 Dog with a coil. The telephone line is being laid.

#8 “These birds are working to save the lives of our guys in France.”

#9 Belgian war pigeons.

They were released and then returned with messages tied to their paws.
#10 British troops on the Western Front, 1917.

The soldiers attach an important message to the bird.