| |
Name |
|
|
Issues/Designs |
| |
Wright Type A |
— |
— |
d - Wright Type A and Lilienthal's glider 1968, etc (2) |
| |
Wilbur Wright |
1862 |
— |
birth - 150th Anniversary of the Birth of ... d - Wilbur Wright performing for King Alfonso 1978 |
| |
Wilbur Wright birth |
1862 |
— |
- 150th Anniversary of the Birth of ... |
| |
wulfenite |
— |
— |
d - wulfenite, Strombus gigas 2017 |
| |
Xanthosoma indica |
— |
— |
d - Xanthosoma indica 1987 |
| |
Xi'an Y-20 |
— |
— |
d - Xi'an Y-20 2018 |
| |
Deng Xiaoping birth |
1904 |
— |
(2) - 100th Anniversary of the Birth of ..., 110th Anniversary of the Birth of ... |
| |
MV Xue Long |
— |
— |
d - MV Xue Long 2019 |
| |
Xylocopa valga |
— |
— |
d - Xylocopa valga 2019 |
| |
Yacht Doni |
— |
— |
d - Yacht Doni 1985 |
| |
Yakovlev Yak-18 |
— |
— |
d - Yakovlev Yak-18 1998 syns. Yak-18, Yak-18U |
| |
Deng Yaping |
— |
— |
d - Deng Yaping 2014 |
| |
Year of the Dog |
— |
— |
- ... 2017 syns. Dog (zodiac) |
| |
Year of the Girl Child |
— |
— |
- ... |
| |
Year of the Goat |
— |
— |
- ... 2015 |
| |
Year of the Horse |
— |
— |
- ... 2002 |
| |
Year of the Maldivian Child |
— |
— |
- ... |
| |
Year of the Monkey |
— |
— |
- ... 2016 |
| |
Year of the Pig |
— |
— |
- ... 2019 |
| |
Year of the Rabbit |
— |
— |
- ... 2011 |
| |
Year of the Rat |
— |
— |
- ... 2020 |
| |
Year of the Rooster |
— |
— |
- ... 2017 |
| |
Year of the Tiger |
— |
— |
- ... 2010 |
| |
yellow baboon |
— |
— |
syns. Papio cynocephalus |
| |
yellow longnose butterflyfish |
— |
— |
syns. Forcipiger flavissimus, Long-nosed Butterflyfish, yellow long-nose |
| |
yellow tang |
— |
— |
d - yellow tang (Zebrasoma flavescens) (1998) 1998 syns. yellow surgeonfish, Zebrasoma flavescens |
| |
yellow wagtail |
— |
— |
d - yellow wagtail (2007) 2007 |
| |
yellow-backed duiker |
— |
— |
syns. Cephalophus silvicultor |
| |
yellow-billed kingfisher |
— |
— |
syns. Syma torotoro |
| |
yellow-collared lovebird |
— |
— |
syns. Agapornis personata, Agapornis personatus, Masked Lovebird |
| |
yellow-crested cockatoo |
— |
— |
syns. Cacatua sulphure amazone, Cacatua sulphurea |
| |
yellow-edged lyretail |
— |
— |
syns. Coronation Trout, Lyretail Grouper, malau, Variola louti, Variola luti |
| |
yellow-eyed penguin |
— |
— |
syns. Megadyptes antipodes |
| |
yellow-lipped sea krait |
— |
— |
syns. Banded Sea Krait, Laticauda colubrina |
| |
yellowfin tuna |
— |
— |
syns. kakahi, Thunnus albacares, Thunnus albaceres, tunny-fish, yellow fin tuna |
| |
Sarah, Duchess of York |
— |
— |
syns. Sarah Ferguson, Miss Sarah Ferguson |
| |
Young Woman with Unicorn |
— |
— |
syns. "Woman with Unicorn" - Raphael, Lady with unicorn by Raphael, Lady with Unicorn, by Raphael |
| |
Hideki Yukawa |
— |
— |
d - Hideki Yukawa 1995 |
| |
Yuri Gagarin |
1934 |
1968 |
Gagarin birth - 85th Anniversary of the Birth of ... death d (2) - Vostok 1 & Yuri Gagarin 1974, Yuri Gagarin 2016 syns. Gagarin, Juri Gagarin, Jurij Gagarin, Jurij A. Gagarin |
| |
Gagarin birth |
1934 |
— |
- 85th Anniversary of the Birth of ... |
| |
Zantedeschia aethiopica |
— |
— |
d - Zantedesc..ethiopica (2000) 2000 |
| |
zebra duiker |
— |
— |
syns. banded duiker, Cephalophus zebra, zebra antelope |
| |
zebra shark |
— |
— |
syns. Stegostoma fasciatum, Stegostoma tigrinum |
| |
Zebrasoma scopas |
— |
— |
d - Zebrasoma scopas 2015 |
| |
Mao Zedong death |
1977 |
— |
syns. Mao Tse-tung death |
| |
zeppelin |
1838 |
— |
start d (2) - UPU emblem zeppelin & jet 1974, zeppelin on bombing raid over London WW1 1993 |
| |
Ferdinand von Zeppelin |
1839 |
1917 |
Ferdinand opening death - 100th Anniversary of the Death of ... d - Ferdinand.. Zeppelin, 1838-1917 2017, etc (2) syns. Ferdinand Zeppelin, Count Ferdinand Graf von Zeppelin, Count Ferdinand von Zeppelin, F. Graf von Zeppelin, Ferdinand Graf Zeppelin, Ferdinand Graf von Zeppelin, Graf Ferdinand von Zeppelin |
| |
Zeppelin death |
1917 |
— |
- 100th Anniversary of the Death of ... syns. Count Ferdinand von Zeppelin death, Count Ferdinand Graf von Zeppelin death, Ferdinand Graf von Zeppelin death |
| |
Zeuxidia amethystus |
— |
— |
d - Zeuxidia amethystus, heterosite 2016 syns. saturn butterfly, Zeuxidia amethystus amethystus |
| |
Asen Zlatev |
— |
— |
d - Asen Zlatev 1996 |
| |
Zygaena occitanica |
— |
— |
d - Zygaena occitanica (2001 Maldive Islands) 2001 |
| |
Zygopetalus sp. |
— |
— |
d - Zygopetalus sp., Aglais io 2015 |
| |
Emil Zátopek |
1922 |
— |
Emnil Zatopek birth syns. Emil Zatopek, Emile Zatopek, Emnil Zatopek |
