Stamps of Tanzania, 31th of any month of any year
101 to 150 of 162
postage
1998, Aug 31 Eagles from Around the World issue unwmk p. 14.25 (6 stamps)
| - | 370sh | multi | Terathopius ecaudatus | |||
| - | 370sh | multi | Heiraaetus bellicosus | |||
| - | 370sh | multi | Aquila chrysaetos | |||
| - | 370sh | multi | Aquila audax | |||
| - | 370sh | multi | Spizaetus bartelsi | |||
| - | 1500sh | multi |
2001, Jul 31 50th Anniversary of the United Nations High Commissioner for Refugees or UNHCR issue (no perf info)
| - | 800sh | multi |
2009, Aug 31 Wild Animals of Tanzania 2009 issue - wild animals of Tanzania (2009) p. 14 (18 stamps)
| - | 400sh | multi | chimpanzees | — | — | |
| - | 500sh | multi | lion & lioness | — | — | |
| - | 600sh | multi | Grant's Red Colobus Monkeys | — | — | |
| - | 600sh | multi | Male Giraffe | — | — | |
| - | 600sh | multi | Kirk's Red Colobus Monkey | — | — | |
| - | 600sh | multi | lioness guarding her cubs | — | — | |
| - | 600sh | multi | The Udzungwa Monkey | — | — | |
| - | 600sh | multi | Female Kongoni with her young | — | — | |
| - | 600sh | multi | Female Hippopotamus with baby | — | — | |
| - | 600sh | multi | leopard with her baby cub | — | — | |
| - | 700sh | multi | elephants | — | — | |
| - | 800sh | multi | Migrating Gnus | — | — | |
| - | 1000sh | multi | A Pensive Water Buck | — | — | |
| - | 1800sh | multi | elephant looking for Foliage | — | — | |
| - | 2000sh | multi | Migrating Zebras | — | — | |
| - | 2500sh | multi | African hunting dogs (2009) | — | — | |
| - | 3000sh | multi | The Buffalo | — | — | |
| - | 5000sh | multi | zebras, gnus & gazelles grazing | — | — |
2011, Mar 31 Whales of the World issue wmk. squares & rectangles (7 stamps)
| - | 1250sh | multi | orca, p. 12.5 | — | — | |
| - | 1250sh | multi | sperm whale, p. 12.5 | — | — | |
| - | 1250sh | multi | beluga whale, p. 12.5 | — | — | |
| - | 1250sh | multi | humpback whale, p. 12.5 | — | — | |
| - | 1250sh | multi | gray whale, p. 12.5 | — | — | |
| - | 1250sh | multi | right whale, p. 12.5 | — | — | |
| - | 3800sh | multi | blue whale |
2013, Jul 31 The Big Five Series issue (5 stamps)
| - | 1600sh | multi | lioness | — | — | |
| - | 1600sh | multi | elephants | — | — | |
| - | 1600sh | multi | buffalos | — | — | |
| - | 1600sh | multi | leopard | — | — | |
| - | 1600sh | multi | rhinoceros | — | — |
2013, Dec 31 Sunbirds of Africa 2013 issue - sunbirds of Africa (2013) p. 13 (5 stamps)
| - | 2000sh | multi | Fraser's Sunbird | — | — | |
| - | 2000sh | multi | Anchieta's sunbird | — | — | |
| - | 2000sh | multi | collared sunbird | — | — | |
| - | 2000sh | multi | Olive Sunbird | — | — | |
| - | 5500sh | multi | Nile Valley Sunbird | — | — |
2013, Dec 31 Reptiles of Africa 2013 issue - reptiles of Africa (2013) (5 stamps)
| - | 2000sh | multi | Two-horned Chameleon | — | — | |
| - | 2000sh | multi | Strange-nosed Chameleon | — | — | |
| - | 2000sh | multi | Jackson's Chameleon | — | — | |
| - | 2000sh | multi | Phelsuma lineata Lined Day Gecko | — | — | |
| - | 5500sh | multi | Satanic Leaf-tailed Gecko | — | — |
2017, Mar 31 Animal Series II issue p. 13.5
| - | 1600sh | multi | Male impala | — | — | |
| - | 1600sh | multi | lion | — | — | |
| - | 1600sh | multi | cheetah | — | — |
101 to 150 of 162