Alvarez A., J.  1994.  Abundancia y diversidad de especies de aves en los 
r’os Tigre y Corrientes.  M. S. thesis, Universidad Nacional de la Amazon’
a Peruana, Iquitos, Peru.

Begazo, A. J. and T. H. Valqui (1998). Birds of Pacaya-Samiria National
Reserve with a new population (Myrmotherula longicauda) and new record for
Peru (Hylophilus semicinereus). Bulletin of the British Ornithologists'
Club 118: 159-166.

Begazo, A. and R. E. Bodmer (1998). Use and conservation of Cracidae
(Aves: Galliformes) in the Peruvian Amazon. Oryx 32: 301-309.

Blake, E. R.  1977.  Manual of neotropical birds.  Vol. 1.  Spheniscidae 
(penguins) to Laridae (gulls and allies).  Univ. Chicago Press, Chicago. 

Capparella, A., and S. M. Lanyon.  1985.  Biochemical and morphometric 
analyses of sympatric neotropical sibling species, Mionectes macconneli 
and M. oleagineus.  Ornithol. Monogr. 36:  347-355.

Capparella, A.  1987.  Effects of riverine barriers on genetic 
differentiation of Amazonian forest undergrowth birds.  Dissertation, 
Louisiana State University. University Microfilms, order no. 8719853. 

Capparella, A.  1988.  Genetic variation in neotropical birds: 
implications for the speciation process.  Acta XX Congr. Intern. Ornith. 
2:  1658-1673.

Capparella, A. P., G. H. Rosenberg, and S. W. Cardiff.  1997. A new 
subspecies of Percnostola rufifrons (Formicariidae) from northeastern 
Amazonian Peru, with a revision of the rufifrons complex.  Ornith. 
Monogr.  48:  165-170. 

Hackett, S. J., K. V. Rosenberg.  1990.  Comparison of phenotypic and 
genetic differentiation in south American antwrens (Formicariidae).  Auk 
107:  473-489.  
[specimens from Loreto]

Hackett, S. J.  1993.  Phylogenetic and biogeographic relationships in 
the neotropical genus Gymnopithys (Formicariidae).  Wilson Bull. 105:  
301-315.

Haffer, J.  1997.  Contact zones between birds of southern Amazonia.  
Ornith. Monogr. 48:  281-305. 
[updates Haffer 1977 on Neomorphus, revises Xiphorhynchus elegans and X. 
spixii]

Hilty, S. L., and W. L. Brown.  1986.  A guide to the birds of Colombia.  
Princeton Univ. Press, Princeton.
[many notes on birds in ne PE, especially along R’o Javar’ opposite 
Leticia]

Howell, S. N. G., and M. B. Robbins.  1995.  Species limits of the Least 
Pygmy-Owl (Galucidium minutissimum) complex.  Wilson Bull. 107: 7-25.  
[G. hardyi reported as far north as near Pucallpa]

Isler, M. L., P. R. Isler, and B. M. Whitney.  1998.  Use of 
vocalizations to establish species limits in antbirds (Passeriformes:  
Thamnophilidae).  Auk 115-577-590.  
[recordings from Loreto: Thamnophilus schistaceus (Intuto, LaLibertad, 
QSucusari, QYanamono), T. murinus (Intuto, LaLibertad, QSucusari), 
Myrmotherula brachyura (QSucusari), M. obscura (QSucusari), M. 
multostriata (Intuto, Liborio, Nueva York, PNPacaya-Samiria, QSucusari, 
ResYarapa), M. cherriei (Intuto), Hypocnemis cantator (QOran, QSucusari, 
QYanamono), H. hypoxantha (QSucusari)]

Isler, M. L., P. R. Isler, and B. M. Whitney.  1998.  Species limits in 
antbirds (Passeriformes:  Thamnophilidae):  the Myrmotherula surinamensis 
complex.  Auk 116:  83-96.  
[multostriata south/Amazon in BR, ePE, eEC, eCO, w/Rio Negro; cherriei 
sVE, eCO, along Rio Negro, Rio Tigre in ne PE; former has narrow black 
streaks below, white belly, yellow breast; latter has broad streaks, even 
yellow below]

Krabbe, N., M. L. Isler, P. R. Isler, B. M. Whitney, J. Alvarez A., and 
P. J. Greenfield.  1999.  A new species in the Myrmotherula haematonota 
superspecies (Aves; Thamnophilidae) from the western Amazonian lowlands 
of Ecuador and Peru.  Wilson Bull. 111:  157-165.  
[M. fjeldsaai from s/Napo in Ecuador to mouth/R’o Curaray and w/R’o 
Tigre, replaced by haematonota between Tigre and lower Napo]

Marantz, C. A.  1997.  Geographic variation of plumage patterns in the 
woodcreeper genus Dendrocolaptes (Dendrocolaptidae).  Ornith. Monogr. 48:  
399-429. 

Mar’n, M.  1997.  Species limits and distribution of some New World
spine-tailed swifts (Chaetura spp.).  Ornith. Monogr. 48:  431- 443.
[C. (andrei) meridionalis, C. (chapmani) viridipennis raised to species
rank]

Meyer de Schauensee, R.  1966.  The species of birds of South America 
with their distribution.  Livingston Press, Narbeth, PA. 

Meyer de Schauensee, R.  1970.  A guide to the birds of South America.  
Livingston Press, Narbeth, PA. 

Parker, T. A., III, S. A. Parker, and M. A. Plenge.  1982.  An annotated 
checklist of Peruvian birds.  Buteo Books, Vermillion, S. D. 

Peters, H. L., E. Mayr, and R. A. Paynter, Jr.  1939-1979.  Birds of the 
world.  Vols. 3-14.  Museum of Comparative Zoology, Cambridge, Mass. 

Ridgely, R. S., and G. Tudor.  1989.  The birds of South America, vol. 1.  
Univ. Texas Press, Austin. 

Ridgely, R. S., and G. Tudor.  1994.  The birds of South America, vol. 2.  
Univ. Texas Press, Austin. 

Robbins, M. B., A. P. Capparella, R. S. Ridgely, and S. W. Cardiff.  
1991.  Avifauna of the R’o Manat’ and Quebrada Vainilla, Peru.  Proc.  
Acad. Nat. Sci. Philadelphia 143:  145-159. 

Robbins, M. B., and S. N. G. Howell.  1995.  A new species of pygmy-owl 
(Strigidae: Galucidium) from the eastern Andes.  Wilson Bull. 107:  1-6.  
[examined specimens of G. hardyi from R’o Curanja and R’o Tambopata, none 
from Loreto]

Schulenberg, T. S., and T. A. Parker III.  1997.  A new species of 
tyrant-flycatcher (Tyrannidae: Tolmomyias) from the western Amazon basin.  
Ornithological Monogr. 48:  723-731. [T.  traylori]

Stephens, L., and M. A. Traylor, Jr.  1983.  Ornithological gazeteer of 
Peru.  Museum of Comparative Zoology, Cambridge, Mass. 

Stotz, D.  1990.  Corrections and additions to the Brazilian avifauna.  
Condor 92:  1078-1079.  [Myrmotherula sunensis on R’o Juru‡, from ihrengi 
by gray rather than white under wing]

Tubaro, P. L., and E. T. Segura.  1995.  Geographic, ecological and 
subspecific variation in the song of the Rufous-browed Peppershrike 
(/Cyclarhis gujanenesis).  Condor 97:  792-803.  
[recordings from Huanaco and Amazonas, Peru, and Manaus, Brazil]

Stotz, D. F., J. W. Fitzpatrick, T. A. Parker III, D. K. Moskovits.  
1996.  Neotropical birds:  ecology and conservation.  Univ. Chicago 
Press, Chicago. 

Viellard, J.  1989.  Uma nova esŽcie de Glaucidium (Aves, Strigidae) da 
Amaz™nia.  Revista Bras. Zool. 6:  685-693.  [G. hardyi]

Whitney, B., and J. Alvarez Alonso.  1998.  A new Herpsilochmus antwren 
(Aves: Thamnophilidae) from northern Amazonian Peru and adjacent Ecuador:  
the role of edaphic heterogeneity of terra firme forest.  Auk 115:  
559-576. 

Aquino, R., and F. Encarnaci—n.  1988.  Population densities and  
geographic distribution of night monkeys (Aotus nancymai and  Aotus 
vociferans) (Cebidae: Primates) in northeastern Peru.   Amer. J. 
Primatol. 14:  375-381.  
[documents enclave of nancymai on the north side of the R’o Mara–on]

Encarnaci—n, F.  1985.  Introducci—n a la flora y vegetaci—n de la 
Amazonia peruana:  estado actual de los estudios, medio natural y ensayo 
de una clave de determinaci—n de las formaciones vegetales en la llanura 
amaz—nica.  Candollea 40:  237-252. 

Lanyon, W. E., and S. M. Lanyon.  1986.  Generic status of Euler's 
Flycatcher:  a morphological and biochemical study.  Auk 103:  341-350.

Mobley, J. A., and R. O. Prum.  1995.  Phylogenetic relationships of the 
Cinnamon Tyrant, Neopipo cinnamomea, to the tryrant flycatchers 
(Tyrannidae).  Condor 97:  650-662.  
[close to Myiobius -- including Terenotriccus -- in Empidonax assemblage]