| Table of contents Huitzil vol.21 n.2 Omitlán Jul./Dec. 2020 Original articles | | | | · Bird richness and composition in three wetlands of Grijalva River, Chiapas, Mexico Pineda-Diez de Bonilla, Esteban; Velázquez Velázquez, Ernesto; Mera-Ortiz, Ghelen
| | | | · Comparison of the diet of the Chimango Caracara (Milvago chimango) and the Burrowing Owl (Athene cunicularia) in a peri-urban site of central Chile Zúñiga, Alfredo H.; Martín Subercaseaux, Francisco
| | | | · Birds diversity in anthropic environments in a semi-desert location in central Mexico Blasio Quintana, Carlo; Pineda López, Rubén
| | | | · Rehabilitation of a whiskered screech-owl (Megascops trichopsis) in a wildlife care center in Mexico City Arenas, Pablo; Mejía-Restrepo, Julián; Acosta-Nieves, Alma Paulina; Gil-Alarcón, Guillermo; Márquez-Luna, Ubaldo
| | | | · Use of artificial nests by Scarlet macaws (Ara macao) in Los Tuxtlas region, Veracruz Gómez-Gómez, Alfredo Omar; Escalante-Pliego, Patricia; Mosqueda-Cabrera, Miguel Ángel
| | | | · Breeding populations of shorebirds in northwestern Mexico wetlands Carmona, Roberto; Ayala-Pérez, Víctor; Hernández-Álvarez, Adriana; Mendoza, Luis F.; Marrón, Gerardo; Arce, Nallely; Vidal, Sharin; Danemann, Gustavo D.
| | | | · Richness and conservation of birds in southwestern of Oaxaca Lavariega, Mario C.; Briones-Salas, Miguel; Monroy-Gamboa, Alina Gabriela; Herrera-Arenas, Olga; Rubio-Espinoza, Manuel
| | | Scientific notes | | | | · First nesting record and new sightings of Vanellus chilensis in El Salvador Pineda, Luis; Galán, Victoria; Aguilar, Saraí; Flores, Isidro; López, Miguel Ángel
| | | | · Partial Leucism in a giant coot, Fulica gigantea, in Junín, Perú Alarcón Pardo, Alejandro
| | | | · First report of in American Coot (Fulica americana) leucism in central México Gómez-Garduño, Jesús Oswaldo; Bautista-Trejo, Rogelio; Vázquez Sánchez, José Clemente; Ramírez-Albores, Jorge E.
| | | | · A case of partial leucism in the Blue-black Grassquit (Volatinia jacarina) from Venezuela Verea, Carlos
| | | | · Ecological interactions between Ochraceous Attila and Buenaventura lizard: recording of new food habits in the south of the Ecuador Garzón-Santomaro, César; Cabrera, Leovigildo; Ramírez-Jaramillo, Salomón M.
| | | | · Record of a leucism Southern giant-petrel (Macronectes giganteus) in isla Larga, Aysén region, Chile Novoa, Fernando J.; Casanova, Leonardo
| | | | · A strong case of dilution in the Yellow-throated Toucan (Ramphastos ambiguus) Mora, José Manuel; López Umaña, Lucía I.
| | | | · First record of the Rufous-naped Wren subspecies (Campylorhynchus rufinucha rufinucha) for the Mexican Pacific slope Cruz-Vázquez, José David; Fernández-Popo, Macario
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