allopreeningn.
/ˈaləpriːnɪŋ/, U.S. /ˈæləˌprinɪŋ/ Ornithology.
The preening of one bird by another of the same species. Cf. allogrooming n.
ΚΠ
1963 J. M. Cullen in Ibis 121 The term Heteropreening has recently been coined..but before it becomes enshrined in behavioural language, I should like to suggest that an even better choice would be Allopreening.
1990 Jrnl. Zool. 220 340 Allopreening continues to be performed by adult yellow-eyed penguins and is a major feature of courtship and pair-bonding.
2005 Parrots Apr. 22/2 A human companion will not allow the bird to express many of his natural instincts, such as allopreening (companion birds preening each other).
This is a new entry (OED Third Edition, September 2012; most recently modified version published online December 2021).
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n.1963- troudeloup
- trough
- trough battery
- trough core
- trough fault
- trough flooring
- trough form
- trough frame
- trough garden
- trough girder
- trough gutter
- trough limb
- trough mercury
- trough of the sea
- trough plate
- trough roof
- trough shell
- trough-closet
- trough-current
- trough-joint
- trough-like
- trough-meat
- trough-sailing
- trough-shaped
- trough-stone