Imperium naturæ C. Linnaeus, 1758 - nature
   Mundus Plinius - physical world
     naturalia - natural bodies
       Regnum Animale C. Linnaeus, 1758 - animal kingdom see Kingdom Animalia Linnaeus, 1758
         Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
           Order Passeres Linnaeus, 1758 see Suborder Passeres (C. Linnaeus, 1758) C. Linnaeus, 1766
             Genus Motacilla Linnaeus, 1758
               01 Motacilla luscinia Linnaeus, 1758 see Luscinia luscinia (C. Linnaeus, 1758)
               02 Motacilla calidris Linnaeus, 1758
               03 Motacilla modularis Linnaeus, 1758 see Prunella modularis (C. Linnaeus, 1758)
               04 Motacilla schoenobaenus Linnaeus, 1758 see Acrocephalus schoenobaenus (C. Linnaeus, 1758)
               05 Motacilla campestris Linnaeus, 1758 see Euneornis campestris (C. Linnaeus, 1758)
               06 Motacilla curruca Linnaeus, 1758 see Sylvia curruca (C. Linnaeus, 1758)
               07 Motacilla hippolais Linnaeus, 1758
               08 Motacilla salicaria Linnaeus, 1758
               09 Motacilla sylvia Linnaeus, 1758
               10 Motacilla philomela Linnaeus, 1758
               11 Motacilla ficedula Linnaeus, 1758
               12 Motacilla alba Linnaeus, 1758 - white wagtail
               13 Motacilla flava Linnaeus, 1758 - yellow wagtail
               14 Motacilla tiphia Linnaeus, 1758 see Aegithina tiphia (C. Linnaeus, 1758)
               15 Motacilla ruticilla Linnaeus, 1758 see Setophaga ruticilla (C. Linnaeus, 1758)
               16 Motacilla hispanica Linnaeus, 1758 see Oenanthe hispanica (C. Linnaeus, 1758)
               17 Motacilla oenanthe Linnaeus, 1758 see Oenanthe oenanthe (C. Linnaeus, 1758)
               18 Motacilla rubetra Linnaeus, 1758 see Saxicola rubetra (C. Linnaeus, 1758)
               19 Motacilla atricapilla Linnaeus, 1758 see Sylvia atricapilla (C. Linnaeus, 1758)
               20 Motacilla emeria Linnaeus, 1758 see Pycnonotus jocosus emeria (C. Linnaeus, 1758)
               21 Motacilla phoenicurus Linnaeus, 1758 see Phoenicurus phoenicurus (C. Linnaeus, 1758)
               22 Motacilla erithacus Linnaeus, 1758
               23 Motacilla titys Linnaeus, 1758
               24 Motacilla svecica Linnaeus, 1758 see Luscinia svecica (C. Linnaeus, 1758)
               25 Motacilla sialis Linnaeus, 1758 see Sialia sialis (C. Linnaeus, 1758)
               26 Motacilla velia Linnaeus, 1758 see Tangara velia (C. Linnaeus, 1758)
               27 Motacilla spiza Linnaeus, 1758 see Chlorophanes spiza (C. Linnaeus, 1758)
               28 Motacilla rubecula Linnaeus, 1758 see Erithacus rubecula (C. Linnaeus, 1758)
               29 Motacilla troglodytes Linnaeus, 1758 see Troglodytes troglodytes (C. Linnaeus, 1758)
               30 Motacilla regulus Linnaeus, 1758 see Regulus regulus (C. Linnaeus, 1758)
               31 Motacilla trochilus Linnaeus, 1758 see Phylloscopus trochilus (C. Linnaeus, 1758)
               32 Motacilla acredula Linnaeus, 1758 see Phylloscopus trochilus acredula (C. Linnaeus, 1758)
               33 Motacilla pendulinus Linnaeus, 1758 see Remiz pendulinus (C. Linnaeus, 1758)
               34 Motacilla minuta Linnaeus, 1758