• Study of a donkey
    Claes BERCHEM
    Study of a donkey
  • Cockroach on Earth
    Duilio CAMBELLOTTI
    Cockroach on Earth
  • Serpent
    Duilio CAMBELLOTTI
    Serpent
  • Studies of birds
    Fred W. DAVIS
    Studies of birds
  • Studies of cats
    Ferdinand-Victor-Eugene DELACROIX
    Studies of cats
  • Bees
    Duilio CAMBELLOTTI
    Bees
  • Study of raven and hand
    Adolf HIRÉMY-HIRSCHL
    Study of raven and hand
  • Étude de cheval - recto; Étude de femme assise et cheval – verso
    Paul GAUGUIN
    Étude de cheval - recto; Étude de femme assise et cheval – verso
  • Mouth with beetle
    Stanislao LEPRI
    Mouth with beetle, 1977
  • Mice in a trap
    Alberto MARTINI
    Mice in a trap
  • Chaton endormi
    Andrè MASSON
    Chaton endormi
  • Baby lamb
    Filippo PALIZZI
    Baby lamb
  • Monkey Seated
    David TENIERS The Younger (circle of)
    Monkey Seated
  • Wolf
    Sirio TOFANARI
    Wolf
  • Study of sheep lying down
    Jan van der MEER II
    Study of sheep lying down, 1698
  • Sheep
    Eugene VERBOECKOVEN
    Sheep