An usa (Ingles: deer) iyo an sarong klase nin hayop na namumuhay sa bukid asin kadlagan. Venison (Ingles) an karneng nakakakan gikan sa usa. Inaapod na libay (Ingles: doe o hind) an babaeng usa, mantang barako naman (Ingles: roebuck o hart) an lalaking usa.[2]

Usa[1]
Temporal range: Early Oligocene–Recent
Mga imahe kan nagkapirang mga kaapil kan pamilyang Cervidae (baliktad na ikot-orasan gikan sa ibabaw na wala): an elk (Cervus canadensis), white-tailed deer (Odocoileus virginianus), grey brocket (Mazama gouazoubira), barasingha (Rucervus duvaucelii), pudú (Genus: Pudu), sika deer (Cervus nippon), red deer (Cervus elaphus), asin reindeer (Rangifer tarandus)
Sayantipiko na klasipikasyon e
Kahadean: Animalia
Paylo: Chordata
Orden: Artiodactyla
Infraorden: Pecora
Pamilya: Cervidae
Goldfuss, 1820
Type genus
Cervus
Linnaeus, 1758
Subfamilies
Pigsaralak na katutubong lakop kan gabos na espesye nin usa.

Toltolan

baguhon
  1. 'deer' singular and plural among examples (swine OE swin, deer OE deor, sheep OE sceap, horse OE hors, year OE gear, pound OE pana) -Jespersen, A Modern English Grammar on Historical Principles, Part II SYNTAX (First Volume), Ch.III The Unchanged Plural (p. 49) arrow.latrobe.edu.au accessed 14 November 2020
  2. English, Leo James. Diksyunaryong Tagalog-Ingles, Kongregasyon ng Kabanalbanalang Tagapag-ligtas, Maynila, ipinamamahagi ng National Book Store, may 1583 na mga dahon, ISBN 971-91055-0-X
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