Retired Crayola Colors

1. Green Blue
2. Orange Red
3. Orange Yellow
4. Violet Blue
5. Maize
6. Lemon Yellow
7. Blue Gray
8. Raw Umber
9. Blizzard Blue
10. Magic Mint
11. Mulberry
12. Teal Blue

Source: http://www.crayola.com/colorcensus/history/chronology.cfm

Mammals Whose Gestation Period Lasts Longer Than That of Humans

1. Cow – 284 days
2. Horse – 336 days
3. Sea Lion – 360 days
4. Whale – 360 days
5. Donkey – 374 days
6. Camel - 400 days
7. Giraffe – 425 days
8. Rhino, Gray – 480 days
9. Rhino, Black – 540 days
10. Elephant, Indian – 624 days

Source: http://www.vaughns-1-pagers.com/biology/gestation-periods.htm

Arizona License Plates

1. Alternative Fuel
2. Arizona Diamondbacks
3. Arizona Highways
4. Character Education
5. Child Abuse Prevention
6. Collegiate – ASU
7. Collegiate – NAU
8. Collegiate – U of A
9. Environmental
10. Families of Fallen Police Officers
11. Gold Star Family
12. Golden Rule
13. Military Support/Freedom
14. Navajo Nation
15. Pet Friendly/Spay and Neuter
16. Pink Ribbon/Cancer Awareness
17. Purple Heart
18. San Carlos Apache Tribe
19. Standard
20. Transplantation Awareness (Organ Donor)
21. Veteran
22. White Mountain Apache Tribe

Source: https://servicearizona.com/webapp/vehicle/plates/startChoice.do

Chia Animal Varieties

1. Puppy
2. Dinosaur
3. Elephant
4. Hippo
5. Kitten
6. Cow
7. Frog
8. Pig
9. Crocodile
10. Bunny


Source: http://www.chia.com

Elements Whose Symbols Seem Illogical

1. Sodium – Na (from the Latin word "natrium")
2. Potassium – K (from the Latin word "kalium")
3. Iron – Fe (from the Latin word "ferrum")
4. Copper – Cu (from the Latin word "cuprum")
5. Silver – Ag (from the Latin word "argentum")
6. Tin – Sn (from the Latin word "stannum")
7. Antimony – Sb (from the Latin word "stibium")
8. Tungsten – W ("wolfram " after the tungsten mineral wolframite)
9. Gold – Au (from the Latin word "aurum")
10. Mercury – Hg (from the Latin word "hydrargyrum")
11. Lead – Pb (from the Latin word "plumbum")

Source: http://www.webelements.com/

Penguin species

1. Adelie
2. African
3. Chinstrap
4. Emperor
5. Erect-crested
6. Fiordland
7. Galapagos
8. Gentoo
9. Humboldt
10. King
11. Little (Blue)
12. Macaroni
13. Magellanic
14. Rockhopper
15. Royal
16. Snares
17. Yellow-eyed

Discontinued Olympic Sports

1. Golf
2. Rugby
3. Croquet
4. Cricket
5. Jeu de Paume
6. Pelota
7. Polo
8. Roque
9. Rackets
10. Tug-of-war
11. Lacrosse
12. Motor boating