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- Charrán [CHORDATA, Aves, Charadriiformes]
- Charrán blanco [CHORDATA, Aves, Charadriiformes, Sterna]
- Charrán común [CHORDATA, Aves, Charadriiformes, Sterna]
- Charrán de corona blanca [CHORDATA, Aves, Charadriiformes, Thalasseus]
- Charrán pardelo [CHORDATA, Aves, Charadriiformes, ¿?]
- Charrán picofino [CHORDATA, Aves, Charadriiformes, Sterna]
- Charrancito [CHORDATA, Avess, Charadriiformes, Sternula]
- Cherna [CHORDATA, Actinopterygii, Perciformes, Epinephelus]
- Cherogil [CHORDATA, Aves, Passeriformes, Certhia]
- Chicarí [CHORDATA, Aves, Passeriformes, Troglodytes]
- Chicharra [ARTHROPODA, Insecta, Hemiptera, Cicadidae]
- Chicharra atlántica [ARTHROPODA, Insecta, Hemiptera, Cicadidae]
- Chicharra de los robles [ARTHROPODA, Insecta, Hemiptera, Cicadidae]
- Chicharra índica [ARTHROPODA, Insecta, Hemiptera, Cicadidae]
- Chimpancé [CHORDATA, Mammalia, Primates, Pan]
- Chinche [ARTHROPODA, Insecta, Hemiptera]
- Chinche aguja [ARTHROPODA, Insecta, Hemiptera, Reduviidae]
- Chinche común [ARTHROPODA, Insecta, Hemiptera, Pentatomidae]
- Chinche de campo [ARTHROPODA, Insecta, Hemiptera, Pentatomidae]
- Chinche de campo del abedul [ARTHROPODA, Insecta, Hemiptera, Pentatomidae]
- Chinche de campo del enebro [ARTHROPODA, Insecta, Hemiptera, Pentatomidae]
- Chinche de campo del espino [ARTHROPODA, Insecta, Hemiptera, Pentatomidae]
- Chinche de murciélago [ARTHROPODA, Insecta, Hemiptera, Cimicidae]
- Chinche de palomar [ARTHROPODA, Insecta, Hemiptera, Cimicidae]
- Chinche pestilente [ARTHROPODA, Insecta, Hemiptera, Pentatomidae]
- Chinchilla [CHORDATA, Mammalia, Rodentia]
- Chinchilla de montaña [CHORDATA, Mammalia, Rodentia, Chinchilla]
- Chingolito [CHORDATA, Aves, Passeriformes]
- Chingolito canoro [CHORDATA, Aves, Passeriformes, Zonotrichia]
- Chingolito melodio de cuello blanco [CHORDATA, Aves, Passeriformes, Zonotrichia]
- Chingolo [CHORDATA, Aves, Passeriformes]
- Chingolo alondra del campo [CHORDATA, Aves, Passeriformes, Alauda]
- Chingolo maderero de los jardines [CHORDATA, Aves, Passeriformes, Troglodytidae]
- Chingolo saltamontes [CHORDATA, Aves, Passeriformes, Emberizidae]
- Chipmunk [CHORDATA, Mammalia, Rodentia]
- Chipmunk de Siberia [CHORDATA, Mammalia, Rodentia, Tamias]
- Chipmunk oriental [CHORDATA, Mammalia, Rodentia, Tamias]
- Chirito [CHORDATA, Aves, Passeriformes, Troglodytidae]
- Chirú [CHORDATA, Mammalia, Artiodactyla, Hemitragus]
- Chirrete [CHORDATA, Aves, Passeriformes, Troglodytidae]
- Chital [CHORDATA, Mammalia, Artiodactyla, Axis]
- Chocha [CHORDATA, Aves, Galliformes]
- Chocha americana [CHORDATA, Aves, Galliformes, Odontophoridae]
- Chocha del Viejo Mundo [CHORDATA, Aves, Galliformes, Tetraoninae]
- Chocha dorada [CHORDATA, Aves, Galliformes]
- Chocha dorada americana [CHORDATA, Aves, Galliformes, Tetraoninae]
- Chocha eurasiática [CHORDATA, Aves, Galliformes, Tetraoninae]
- Chochín [CHORDATA, Aves, Passeriformes]
- Chochín común [CHORDATA, Aves, Passeriformes, Xenicus]
- Chochín de Bewick [CHORDATA, Aves, Passeriformes, Troglodytes]
- Chochín de la isla de Stewart [CHORDATA, Aves, Passeriformes, Xenicus]
- Chochín de las rocas [CHORDATA, Aves, Passeriformes, Troglodytidae]
- Chochín de los cactus [CHORDATA, Aves, Passeriformes, Troglodytidae]
- Chochín de matorral [CHORDATA, Aves, Passeriformes, Xenicus]
- Chochín de Nueva Zelanda [CHORDATA, Aves, Passeriformes, ¿?]
- Chochín de roca [CHORDATA, Aves, Passeriformes, Xenicus]
- Chochín de Zapata [CHORDATA, Aves, Passeriformes, Troglodytes]
- Chochín doméstico [CHORDATA, Aves, Passeriformes, Troglodytes]
- Chochín europeo [CHORDATA, Aves, Passeriformes, Troglodytes]
- Chochín marismeño de pico corto [CHORDATA, Aves, Passeriformes, Troglodytes]
- Chorlitejo culirrojo [CHORDATA, Aves, Charadriiformes]
- Chorlitejo culirrojo chico [CHORDATA, Aves, Charadriiformes, Charadrius]
- Chorlitejo culirrojo de monte [CHORDATA, Aves, Charadriiformes, Charadrius]
- Chorlitejo culirrojo grande [CHORDATA, Aves, Charadriiformes, Charadrius]
- Chorlitejo culirrojo patinegro [CHORDATA, Aves, Charadriiformes, Charadrius]
- Chorlito [CHORDATA, Aves, Charadriiformes]
- Chorlito cangrejero [CHORDATA, Aves, Charadriiformes, Dromadidae]
- Chorlito carambolo [CHORDATA, Aves, Charadriiformes, Eudromias]
- Chorlito común [CHORDATA, Aves, Charadriiformes, Charadrius]
- Chorlito de la arena [CHORDATA, Aves, Charadriiformes, Charadrius]
- Chorlito dorado [CHORDATA, Aves, Charadriiformes, Pluvialis]
- Chorlito gris [CHORDATA, Aves, Charadriiformes, Pluvialis]
- Chorlito herrero [CHORDATA, Aves, Charadriiformes, Vanellus]
- Chorlito oscuro de Nueva Zelanda [CHORDATA, Aves, Charadriiformes, Charadrius]
- Chorlito piquivuelto [CHORDATA, Aves, Charadriiformes, Anarhynchus]
- Chorlito semipalmeado [CHORDATA, Aves, Charadriiformes, Charadrius]
- Chorlito verde [CHORDATA, Aves, Charadriiformes, ¿?]
- Chotacabras [CHORDATA, Aves, Caprimulgiformes]
- Chotacabras coliancho [CHORDATA, Aves, Caprimulgiformes, Eurostopodidae]
- Chotacabras de alas de gallardete [CHORDATA, Aves, Caprimulgiformes, Caprimulgidae]
- Chotacabras de balancín [CHORDATA, Aves, Caprimulgiformes, Caprimulgidae]
- Chotacabras de garganta blanca [CHORDATA, Aves, Caprimulgiformes, Caprimulgidae]
- Chotacabras de pecho ancho [CHORDATA, Aves, Caprimulgiformes, Caprimulgidae]
- Chotacabras egipcio [CHORDATA, Aves, Caprimulgiformes, Caprimulgidae]
- Chotacabras europeo [CHORDATA, Aves, Caprimulgiformes, Caprimulgidae]
- Chotacabras gris [CHORDATA, Aves, Caprimulgiformes, Caprimulgidae]
- Chotacabras indio [CHORDATA, Aves, Caprimulgiformes, Caprimulgidae]
- Chotacabras moteado [CHORDATA, Aves, Caprimulgiformes, Caprimulgidae]
- Chotacabras papialbo [CHORDATA, Aves, Caprimulgiformes, Caprimulgidae]
- Chotacabras pardo [CHORDATA, Aves, Caprimulgiformes, Caprimulgidae]
- Chotacabras rabilargo [CHORDATA, Aves, Caprimulgiformes, Caprimulgidae]
- Chotacabras yanqui [CHORDATA, Aves, Caprimulgiformes]
- Chotacabras yanqui americano [CHORDATA, Aves, Caprimulgiformes, Chordeiles]
- Chova [CHORDATA, Aves, Passeriformes]
- Chova australiana [CHORDATA, Aves, Passeriformes, Chalcophaps]
- Chova común [CHORDATA, Aves, Passeriformes, Pyrrhocorax]
- Chova piquigualda [CHORDATA, Aves, Passeriformes, Pyrrhocorax]
- Chucao [CHORDATA, Aves, Passeriformes, Scelorchilus]
- Chucleto [CHORDATA, Actinopterygii, Atheriniformes, Atherina ]
- Chukuala [CHORDATA, Sauropsida, Squamata, Sauromalus]
- Chum [CHORDATA, Actinopterygii,Salmoniformes, Oncorhynchus]
- Chupasavias [CHORDATA, Aves, Piciformes]
- Chupasavias de vientre amarillo [CHORDATA, Aves, Piciformes, Sphyrapicus]
- Chupasavias de Williamson [CHORDATA, Aves, Piciformes, Sphyrapicus]
- Chuzo [CHORDATA, Aves, Accipitriformes, Geranospiza]
- Damán [CHORDATA, Mammalia, Hyracoidea]
- Damán de El Cabo [CHORDATA, Mammalia, Hyracoidea, Procavia]
- Damán de las rocas [CHORDATA, Mammalia, Hyracoidea, Procavia]
- Damán de Siria [CHORDATA, Mammalia, Hyracoidea, Procavia]
- Danio [CHORDATA, Actinopterygii, Cypriniformes]
- Danio cebra [CHORDATA, Actinopterygii, Cypriniformes, Danio]
- Dasiuro [CHORDATA, Mammalia, Dasyuromorphia]
- Dasiuro septentrional [CHORDATA, Mammalia, Dasyuromorphia, Dasyurus]
- Dasiuro viverrino [CHORDATA, Mammalia, Dasyuromorphia, Dasyurus]
- Dedal [PORIFERA, Demospongiae, Haplosclerida, Spongia]
- Dedos de muerto [CNIDARIA, Anthozoa, Alcyonacea, Alcyonium]
- Delfín [CHORDATA, Mammalia, Cetacea]
- Delfín blanco [CHORDATA, Mammalia, Cetacea, Delphinapterus]
- Delfín blanco del Amazonas [CHORDATA, Mammalia, Cetacea, Inia]
- Delfín común [CHORDATA, Mammalia, Cetacea]
- Delfín de Baird [CHORDATA, Mammalia, Cetacea, Delphinus]
- Delfín de El Cabo [CHORDATA, Mammalia, Cetacea, Cephalorhynchus]
- Delfín del Amazonas [CHORDATA, Mammalia, Cetacea, Inia]
- Delfín del Ganges [CHORDATA, Mammalia, Cetacea, Platanista]
- Delfín del Irawadi [CHORDATA, Mammalia, Cetacea, Orcaella]
- Delfín del río de la Plata [CHORDATA, Mammalia, Cetacea, Pontoporia]
- Delfín fluvial [CHORDATA, Mammalia, Cetacea]
- Delfín mular [CHORDATA, Mammalia, Cetacea, Tursiops]
- Dero [ANNELIDA, Clitellata, Oligochaeta, Dero]
- Desmán [CHORDATA, Mammalia, Soricomorpha]
- Desmán pirenaico [CHORDATA, Mammalia, Soricomorpha, Galemys]