|Date of Issue
||August 15, 1995
|Perforation or Dimension
||13 x 12.5
Migratory Wildlife, Canada-Mexico
|Series Time Span
||Canadian Bank Note Company, Limited.
Stamp Values/Prices (Beta Mode*)
Mint - Never Hinged - Very Fine
Used - Very Fine
* Notes about these prices:
- They are currently in beta mode, meaning that they should not be relied upon yet as a source of truth and could change frequently. Please notify CPS if you come across values that do not make sense.
- They are not based on catalogue values but on current dealer and auction listings. The reason for this is that catalogues tend to over-value stamps.
- They are average prices and might not be fully accurate. The actual value of your stamp may be slightly above or below the listed value, depending on the overall condition of your stamp.
Four of the many wildlife species that migrate between Canada and Mexico are featured on a se-tenant block of commemorative stamps to be issued August 15, 1995. The wildlife depicted include an insect (the monarch butterfly), a mammal (the hoary bat) and two birds (the northern pintail and the belted kingfisher). The migration habits of each are unique, but all travel for the same reason: to ensure their survival by finding distinct habitats in each country. The monarch butterfly is noted for its bright colours, 76 to 102 mm (three to four-inch) wingspan, fondness for flowers and wide distribution. The monarch is the only North American butterfly that migrates north and south on a regular basis. One of the few milkweed butterflies found in North America, female monarchs lay their eggs on the underside of milkweed leaves. The larvae feed upon the plant's somewhat toxic sap; as a result, the larvae retain this toxicity in their bodies, and predators learn to avoid eating them because they "taste bad". Monarchs west of the Rockies winter in California. Monarchs from east of the Rockies begin their migration to Mexico in mid-September to October, and travel in a slow-moving loose or compact swarm. Dr. Fred A. Urquhart, a Canadian, discovered that in small area in the Sierra Madre Mountains west of Mexico City, monarchs gather by the millions - perhaps 100 million in all. One of his tagged specimens had flown an amazing 2,020 kilometres to Mexico from Chaska, Minnesota. While in Mexico, the monarch butterfly remains in a sluggish state, as the cool weather reduces its metabolic rate so its body maintains the nutrients needed for the return flight northward. While one generation accomplishes the southern journey, it may take three or four generations to return to the original range, arriving in May or early June.
Designed by Debbie Adams.
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Canada Post Corporation. Canada's Stamps Details, Vol. 4, No. 4, 1995, p. 5-6.
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