emperor penguin 
noun
The largest penguin, which has a yellow patch on each side of the head and rears its young during the Antarctic winter.
- Aptenodytes forsteri, family Spheniscidae.
- Only one bird - the emperor penguin - will winter on Antarctica and use the frozen continent as a nursery.
- I ended the book with a photograph of an emperor penguin chick from the Antarctic.
- observation report
- observation satellite
- observation sentence
- observation statement
- observation term
- observation ward
- observative
- observator
- observatory
- observe
- observedly
- observer
- observership
- observer's paradox
- obsess
- obsession
- obsessional
- obsessionalism
- obsessionality
- obsessionally
- obsessional neurosis
- obsessional neurotic
- obsessionist
- obsessive
- obsessively