• 1 · Religion and Magic
• 2 · Nature
• 3 · Human Being, Man in General
• 4 · Society, Civilization, Culture
• 5 · Abstract Ideas and Concepts
• 6 · History
• 7 · Bible
• 8 · Literature
• 9 · Classical Mythology and Ancient History

• Top
• 2 · Nature
• 25 · earth, world as celestial body
• 25F · animals
• 25F5 · amphibians
• 25F51 · tailless amphibians
• 25F51(...) · tailless amphibians (with NAME)
• 25F51(FROG) · tailless amphibians: frog

25F51(FROG)(+4) · tailless amphibians: frog (+ animal behaviour)

• 25F51(FROG)(+44) · tailless amphibians: frog (+ relationship between animals)
• 25F51(FROG)(+47) · tailless amphibians: frog (+ animal psychology)
• 25F51(FROG)(+49) · tailless amphibians: frog (+ audible means of communication of animal(s): roaring, crying, singing, barking, mewing, neighing, chirping, etc.)