xenopus laevis, monotreme, prairie vole, antbirds, syrinx, volvox, vocalizations, winter wren, xenopus, toadfish, dimorphism, neotropical, planarian, vocalisation, gallus gallus, eyespots, hawkmoth, dimorphic, katydids, metazoan, introgression, chaffinch, spring peeper, drosophila, scats, lyrebird, african clawed frog, auditory cortex, morphologically, siamangs, planaria, formant, ontogeny, meadow vole, bowerbird, indri, agouti, amphioxus, phoneme, chlamydomonas, hindbrain, polychaete, flatworm, mole rat, phylogenetically, bellbird, cowbird, gametophyte, manduca sexta, wood thrush, chordate, mockingbird, birdsongs, monophyletic, fru, chipping sparrow, ovule, vireo, ovenbird, parthenogenetic, aplysia, placental mammal, ciliated, haploid, wolf spider, trypanosome, babirusa, placentals, lateralisation, forebrain, caecilian, sifaka, eukaryote, tribolium, prokaryotes, striated muscle, flavivirus, tree shrew, swamp sparrow, brown creeper, tobacco hornworm, species, songbirds, peroxisome, rotifer, blackcap, paramecium, oviducts, macromolecule, nematode worm, elephant shrew, mangabeys, embryological, granulosa, reoviruses, pelage, drosophila melanogaster, yellow warbler, outbred, blastomeres, trichinella

grassfinch, grass finch

poephila castanotis