The 1953 set, issued on April1 1953, consisted of three stamps:
- 2 cents Polar Bear
- 3 cents Moose
- 4 cents Bighorn Sheep
2 cents Polar Bear

3 cents Moose
4 cents Bighorn Sheep
The 1954 Wildlife Series issued April 1, 1954 , consisted of three stamps : 4 cent Walrus, 5 cent Beaver, and 15 cent Gannet. The 5 cent beaver was issued in sheet format as well as booklets. The 15 cent stamp became a much-needed definitive for this denomination.

4 cents Walrus
5 cents Beaver
Advertising
Enclosure in Artcraft FDC promoting WSYR (Syracuse) television
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(Not in author's collection)
15 cents Gannet
The 1955 Wildlife Series set was issued on April 4, 1955, featuring the Musk Ox on the 4 cent stamp and the endangered Whooping Crane on the 5 cent denomination.
4 cents Musk Ox





5 cents Whooping Cranes





4 cents Caribou



5 cents Mountain Goat

The fifth and final Wildlife series issue, a single 5 cent stamp featuring the Loon, was released on April 10, 1957 coinciding with National Wildlife Week.