Leach's petrel

\ ˈlēchə̇z-\
variants: or Leach petrel

Definition of Leach's petrel

: a petrel (Oceanodroma leucorhoa) distinguished from the storm petrel by its larger size, forked tail, longer wings, and distinctive bounding flight

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History and Etymology for Leach's petrel

after William E. Leach †1836 English naturalist

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authorized for issue (as a bond)

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