Bilateriabilaterally symmetrical animals


    • king vulture
      Sarcoramphus papa
    • king vulture
      Sarcoramphus papa
    • True sardine
      Sardina pilchardus
    • Chilean sardine
      Sardinops sagax
    • comb duck
      Sarkidiornis melanotos
    • spot-winged starling
      Saroglossa spiloptera
    • Sarosesthes fulminans
    • buff-spotted flufftail
      Sarothrura elegans
    • rufous piculet
      Sasia abnormis
    • northern willow hairstreak
      Satyrium acadica
    • northern willow hairstreak
      Satyrium acadica
    • northern willow hairstreak
      Satyrium acadica
    • Satyrium calanus
    • Satyrium calanus
    • hickory hairstreak
      Satyrium caryaevorus