Terminology of comparable regions across avian species studied

n.d., not done. Humb, hummingbird. Song, songbird. Abbreviations are listed below.AbbreviationsA, arcopalliumAAC, central nucleus of the anterior arcopalliumACM, caudal medial arcopalliumAH, anterior hyperpalliumAI, intermediate arcopalliumAIVM, ventral medial intermediate arcopalliumAMD, anterior dorsal mesopalliumAMV, anterior ventral mesopalliumAN, anterior nidopalliumArea X, a vocal nucleusASt, anterior striatumAv, nucleus avalancheB, basorostralisCb, cerebellumCM, caudal mesopalliumCSt, caudal striatumDLN, dorsal lateral nidopalliumDLM, dorsal lateral nucleus of the thalamusDM, dorsal medial nucleus of the midbrainDMm, magnocellular nucleus of the dorsal thalamusDT, dorsal thamalusE, entopalliumGP, globus pallidusH, hyperpalliumHp, hippocampusHVC, a vocal nucleus (no abbreviation)LAI, lateral intermediate arcopalliumLAN, lateral nucleus of the anterior nidopalliumLAM, lateral nucleus of the anterior mesopalliumLMV, lateral ventral mesopalliumM, mesopalliumMAN, magnocellular nucleus of the anterior nidopalliumMLd, dorsal part of the lateral mesencephalic nucleusMMSt, magnocellular nucleus of the medial striatumMO, oval nucleus of the mesopalliumMD, dorsal mesopalliumMN, motor neuronsMV, ventral mesopalliumMVb, ventral mesopallium adjacent to BMVe, ventral mesopallium adjacent to EMV-L2, ventral mesopallium adjacent to L2 (same as CM)N, nidopalliumNb, nidopallium adjacent to BND, dorsal nidopalliumNe, nidopallium adjacent to EN-L2, nidopallium adjacent to L2NAO, oval nucleus of the anterior nidopalliumNDC, caudal dorsal nidopalliumNIDL, dorsal lateral intermediate nidopalliumNIf, interfacial nucleus of the nidopalliumNLC, central nucleus of the lateral nidopalliumnXIIts, 12th nucleus tracheosyringeal partOT, optic tectumPDN, posterior dorsal nidopalliumPH, posterior hyperpalliumPLMV, posterior lateral ventral mesopalliumPLN, posterior lateral nidopalliumPLSt, posterior lateral striatumPDN, posterior dorsal nidopalliumPMN, pre-motor neuronsRA, robust nucleus of the arcopalliumS, septumSLN, supra lateral nidopalliumSt, striatumSte, striatum adjacent to Ev, ventricleVA, vocal nucleus of the arcopalliumVAM, vocal nucleus of the anterior mesopalliumVAN, vocal nucleus of the anterior nidopalliumVASt, vocal nucleus of the anterior striatumVMM, vocal nucleus of the medial mesopalliumVLN, vocal nucleus of the lateral nidopallium