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THE WILSON JOURNAL OF ORNITHOLOGY • Vol. 123, No. 1, March 2011 
Zimmer 1 ISL). Peru: Loreto: Tahuayo Lodge 
(Hornbuckle 2 ISL). 
Willisomis p. griseiventris : W of Madeira: (40 
recordings; 23 locations). Bolivia: La Paz: 
Campamento Nuano (Tello 1 ISL), Chalalan 
(Whitney 1 ISL), Cadena Pilon (Parker 1 ISL), 
Puerto Linares (Wiedenfeld 1 ML), Serrania 
Tequeje (Hennessey 1 ML); Pando: Rio Abuna, 
(Parker 1 ISL), Camino Mucden (Parker 3 ML), 
12-20 km SW Cobija (Parker 1 ISL), San Juan de 
Nuevo Mundo (Parker 1 ISL). Brazil: Acre: Boca 
de Tejo (Whittaker 2 ISL); Amazonas: Amazon 
Lodge (Zimmer 2 ISL), Humaita (Whitney 3 ISL), 
Labrea (Whitney 1 ISL, Zimmer 1 ISL), Igarape 
Santa Maria (Whitney 1 ISL), Tefe (Pacheco 1 
ISL), Fazenda Toshiba (Marantz 1 ML), Tupana 
Lodge (Zimmer 4 ISL), Uara (Whittaker 1 ISL). 
Peru: Madre de Dios: Cuzco Amazonica Lodge 
(Marantz 1 ML), Explorer’s Inn (Donahue 1 ML, 
M. Isler 1 ML, Kibler 3 ML, Parker 2 ML), 
Cordillera del Pantiacolla (Fitzpatrick 2 ML); 
Puno: Campamento Topo Tres (Schulenberg 1 
ISL); Ucayali: Cerro Tahuayo (Meyer 1 ISL). 
Willisomis p. griseiventris : E of Madeira: (74 
recordings; 25 locations). Bolivia: Santa Cruz: 
Flor de Oro (Whitney 1 ISL), Los Fierros 
(Whitney 2 ISL), Perseverancia (Fisher 1 ISL, 
Parker 1 ISL, l ML). Brazil: Amazonas: Rio 
Atininga (Whitney 1 ISL), Rio Bararati (Whitney 
5 ISL), Barra de Sao Manuel (Whitney 4 ISL), 
Borba (Whitney 1 ISL, Whittaker 1 ISL), Nova 
Olinda (Rio Aripuana) (Whitney 1 ISL), Rio 
Ipixuna (Whitney 1 ISL), Puxurizal (Marantz 1 
ML, Whitney 1 ISL), mouth of Rio Palomitas 
(Whitney 4 ISL), Pousada Jurume (Whitney 2 
ISL), Pousada Rio Roosevelt (Whittaker 2 ISL, 
Zimmer 1 ISL), Prainha Nova (Whitney 1 ISL), L 
bank Rio Sucunduri near BR 230 (Whitney 5 
ISL); Mato Grosso: Alta Floresta (M. Isler 2 ISL, 
P. Isler 1 ISL, Parker 2 ISL, Whitney 3 ISL, 
Zimmer 5 ISL), R bank Rio Juruena opposite 
mouth Rio Bararati (Whitney 1 ISL), mouth of 
Rio Sao Benedito (Whittaker 1 ISL), mouth of 
Rio Sao Tome (Whitney 2 ISL); Rondonia: Rio 
Caracol (Whitney 1 ISL), R bank Rio Jiparana 
opposite Palmeiras (Whitney 3 ISL), Serra dos 
Pacaas Novos (Whittaker 3 ISL), Palmeiras 
(Whitney 4 ISL), Porto Velho (Whitney 6 ISL), 
Fazenda Rancho Grande (Zimmer 3 ISL). 
Willisomis vidua nigrigula: (47 recordings; 15 
locations). Brazil: Amazonas: Igarape Pedral 
(Whitney 4 ISL), Igarape do Seringal (Whitney 
2 ISL), 52 km W Jacareacanga (Whitney 1 ISL), 
R bank Rio Sucunduri near BR 230 (Whitney 3 
ISL); Mato Grosso: Rio Cristalino (Michael 1 
ML, Whitney 2 ISL, Zimmer 8 ISL); Para: Parque 
Nacional de Amazonia (Whittaker 5 ISL), Aveiro 
(Whitney 3 ISL), Boim (Whitney 1 ISL), 
Cachimbo (Whittaker 1 ISL), Capelinha Trail 
(Parker l ML), km 209 S of Itaituba (Whitney 3 
ISL), Jacareacanga (Whitney 3 ISL), Miritituba 
(Whitney 3 ISL, Willis 3 FSM), Porto do Meio 
(Whitney 1 ISL), Riosinho (Whitney 1 ISL), 
Ruropolis (P. Isler 1 ML). 
Willisomis v. vidua: (39 recordings; 6 loca¬ 
tions). Brazil: Para: Serra dos Carajas (Whitney 3 
ISL, Zimmer 2 ISL), Caxiuana (Marantz 1 ML, 
Whitney 6 ISL, Whittaker 1 ISL, Zimmer 13 ISL), 
Reserva Indigena Kayapo (Whitney 1 ISL), 
Paragominas (Whitney 5 ISL), Fazenda Rio 
Capim (Zimmer 6 ISL); Tocantins: Babagulandia 
(Pacheco 1 ISL). 
