Clasificación de la Biblioteca del CongresoQL644.H45

Africa(87) anatomy(47) animals(6,024) biology(1,201) children(391) children's(511) children's literature(73) children's picture book(41) conservation(109) early reader(162) easy reader(193) ecology(186) ecosystems(22) educational(50) elementary(57) endangered species(37) environment(142) evolution(72) fish(42) Grade 2(80) green(61) guide(117) guidebook(69) habits(21) herpetology(1,021) informational(574) informative(32) juvenile(190) juvenile literature(49) juvenile non-fiction(105) kids(116) komodo dragon(27) life cycle(609) life science(258) literary nonfiction(28) lizards(933) marine life(33) metamorphosis(64) narrative nonfiction(38) natural science(56) natural world(21) nature(1,937) North America(126) ocean(350) oceans(65) pets(100) photographs(159) photography(154) picture book(946) pond(147) ponds(107) preschool(53) prey(15) primary(68) reader(102) reference(484) reproduction(46) reptiles(5,719) salamanders(204) science(5,469) science nonfiction(79) sea(52) sea life(55) snakes(2,970) spring(90) swamp(28) toads(410) tortoise(171) turtles(1,362) usa(147) wild animals(30) wildlife(175) zoo(52) zoo animals(23)