Chec List ISSN 1809-127X (Available at Journal of Species Lists and Distribution

n Unusual records of Cochlearius cochlearius (Linnaeus, 1766) (Aves: Ardeidae) in the Andes of Ecuador istributio

D Daniela Bahamonde-Vinueza 1, Héctor Cadena-Ortiz 1, Carlos Cajas-Bermeo 2 and Elisa Bonaccorso 3* raphic g eo 1 Pontificia Universidad Católica del Ecuador, Escuela de Biología. Av. 12 de Octubre 1076 y Roca. 1701519. Quito, Ecuador. G

n 2 Ecuador.Escuela Superior Politécnica de Chimborazo, Panamericana Sur km 1 1/2, Riobamba, Ecuador o *3 CorrUniversidadesponding Tecnológica author. E-mail: Indoamérica, [email protected] Centro de Investigación de la Biodiversidad y Cambio Climático. Machala y Sabanilla. 170103. Quito, otes N Abstract: the localities were the sightings were reported, we suggest that both individuals belong to the Amazonian population of this species. We report two high altitude sightings of Boat-billed Heron in the Andes of Ecuador. Based on identification and

DOI: 10.15560/10.3.687

The Boat-billed Heron Cochlearius cochlearius (Linnaeus, 1766), has a widespread geographic region of Ecuador. distribution from southern Mexico to southern Brazil presentOn 12 the July first 2004, records CCB observedof this species an adult from of theCochlearius Andean and northeastern Argentina (Martínez-Vilalta and Motis cochlearius in the small island of Colay, at Laguna de Atillo, 1999). However, its distribution west of the Andes is not well understood. In Venezuela and Colombia, it is found in the northern lowlands (Hilty and Brown 1986; Hilty 2003) in the west slope of the eastern Andes of Ecuador (02°12′ itS, 78°31′might W),belong Chimborazo to the province,Amazonian at 3400population m. Although (C. c. al. 2009), with no records from the southern Colombian cochleariusthis bird could). This not individualbe identified may at thehave level reached of subspecies, Lagunas Chocóand along (Hilty the and lowlands Brown 1986). of the Pacific coast (Salaman et de Atillo from the nearby Pastaza river depression, in the In Ecuador, there are three historical records west Amazon basin. Five years later, on 13 April 2009 (at 10:26 h), at Bosque (specimen deposited at the American Museum of Natural History,of the Andes:AMNH-469471, one from collected Salidero, in Esmeraldas1901); two from province Isla seade Miraflores, level, DBV in and the HCOeast slopephotographed of Pichincha an volcano,individual west of deposited at the Field Museum, FMNH-77354 and 77355, Cochleariusof Quito (00°12′13.4″ cochlearius S, perched78°30′43.1″ at an W), Eucaliptus at 2973 msp. above tree Silva, on the Babahoyo river, Los Ríos province (specimens Blanco, below Mindo”, one in 1908 and another in 1909 (Lcollectedö in 1931); and two young birds collected at “Río an(Figure area formed1). Bosque by severalMiraflores forests is part that of surround “Bosque theProtector city of Flanco Oriental de Pichincha y Cinturón Verde de Quito”, 2001).nnberg There and is Rendahl one additional 1922). However,specimen modernat the museum records of C. cochlearius in this site seemed odd, given that the offrom Universidad these areas Politécnica are inexistent Nacional (Ridgely (EPN894), and Greenfield which areaQuito, is in covered the inter-Andean by introduced valley Eucaliptus of Ecuador. sp. The trees, presence with locality information is “Occidente”, with no further detail. only small streams nearby. Further observation efforts In Peru, there is a record from the northwest, probably a were conducted during the next week (24 April), when well as occasional observations in the coast south of Lima, visual or vocal records were obtained. DBV and HCO kept duringwanderer the from non-breeding the Amazon season basin (Salazar (Martínez-Vilalta et al. 2006), and as returningthree mist-nets to the werearea every opened two (3 weeks h/net) for in 2 the months, area, but no Motis 1999). additional records were obtained. Within its known distributional range, Cochlearius Based on published information (Martínez-Vilalta cochlearius is associated with water bodies of the and Motis 1999; McMullan and Navarrete 2013), this lowlands (Martínez-Vilalta and Motis 1999). In Ecuador, its altitudinal distribution goes mainly up to 400 m in subspecies Cochlearius cochlearius cochlearius. Based individual was identified as an immature of the nominal in the Amazon basin. However, as a wanderer from the Coast;the Amazon however, basin vagrants (Ridgely have andbeen Greenfield recorded at 2001). 2600 Inm closeston this Amazonian identification, populations it may have of the come Napo from and drainagesAguarico Colombia, the species occurs up to 800 m in the Pacific record along the entire species range is a skull found at 3600at Sabana m in de the Bogotá Andes (Hilty of Venezuela and Brown (Hilty 1986). 2003). The Here, highest we drainages (Ridgely and Greenfield 2001), it must have flown over significant extent of highlands (>100 km), before reaching the valley of Quito. 687 Bahamonde-Vinueza et al.| Cochlearius cochlearius in the Andes of Ecuador

Acknowledgments:

information provided, and We BirdLife are grateful International, to Carlos Ecuador, Rodríguez for allowing for his accessassistance to its during library. fieldwork, Finally, we Tatiana are grateful Santander to the and AMNH Juan and Freile FMNH for thefor making their databases openly available on-line.

Literature Cited Birds of Venezuela. Princeton: Princeton University Press. 878 pp. Hilty, S.L. 2003. A Guide to the Birds of Colombia. Princeton: Princeton University Press. 996 pp. LHilty,ö S.L. and W.L. Brown. 1986. Ecuador. Arkiv föh Zoologi 14: 1–87. Martínez-Vilalta,nnberg, E. and A.H. Rendahl.and A. Motis. 1922. 1999. A contribution Boat-billed to Heronthe ornithology Cochlearius of cochlearius Handbook of the Birds of the World. Volume I. Barcelona: Lynx Edicions. 421; pp. pp. 421, in: J. del Hoyo, A. Elliott and J. Sargatal (ed.). The Birds of Ecuador. Distribution, and Taxonomy. Ithaca: Cornell. University Press. 1648 Ridgely,pp. R.S. and P.J. Greenfield. 2001. Vol. 1: Status,

2009. Conservación Colombiana 8: 1–89. Salaman, P., T. Donegan and D. Caro. 2009. Listado de Aves deCochlearius Colombia cochlearius in Lambayeque, western Peru. Cotinga 26: 83. Salazar, T., H. Plenge and R. Williams. 2006. Boat-billed Heron : October 2012 : May 2014 Figure 1. Immature of Cochlearius cochlearius Received : July 2014 Pichincha province, Ecuador. Accepted : Thiago V. V. Costa recorded at Miraflores, Published online Editorial Responsibility

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