Authorssort descendingYearTitle
Bollen, A, Van Elsacker, L2004The feeding ecology of the Lesser Vasa Parrot, Coracopsis nigra, in south-eastern Madagascar
Butler, CJ, Gosler, A2004Sexing and ageing Rose‐ringed Parakeets Psittacula krameri in Britain
Cougill, S, MARSDEN, STUARTJ2004Variability in Roost Size in an Amazona Parrot: Implications for Roost Monitoring / Variabilidad en el tamaño de los dormideros de una Amazona: implicaciones para el monitoreo de dormideros
Eberhard, JR, Bermingham, E2004Phylogeny and Biogeography of the Amazona ochrocephala (Aves: Psittacidae) Complex
Groombridge, JJ, Jones, CG, NICHOLS, RICHARDA, Carlton, M, Bruford, MW2004Molecular phylogeny and morphological change in the Psittacula parakeets
HINGSTON, ANDREWB, GARTRELL, BRETTD, PINCHBECK, GINA2004How specialized is the plant–pollinator association between Eucalyptus globulus ssp. globulus and the swift parrot Lathamus discolor?
Howard, LL, Kass, PH, Lamberski, N, Wack, RF2004Serum Concentrations of Ionized Calcium, Vitamin D₃, and Parathyroid Hormone in Captive Thick-Billed Parrots (Rhynchopsitta pachyrhyncha)
LANDMAN, NEILH, JOHNSON, RALPHO, EDWARDS, LUCYE2004Cephalopods from the Cretaceous/Tertiary Boundary Interval on the Atlantic Coastal Plain, with a Description of the Highest Ammonite Zones in North America. Part 1. Maryland and North Carolina
MASELLO, JUANF, Quillfeldt, P2004Are haematological parameters related to body condition, ornamentation and breeding success in wild burrowing parrots Cyanoliseus patagonus?
Raso, Tde Freitas, Godoy, SNery, Milanelo, L, de Souza, CAlmeida Ig, Matuschima, EReiko, Araújo, Jr., JPessoa, Pinto, AAugusto2004An Outbreak of Chlamydiosis in Captive Blue-Fronted Amazon Parrots (Amazona aestiva) in Brazil
Renton, K, Salinas-Melgoza, A2004Climatic Variability, Nest Predation, and Reproductive Output of Lilac-Crowned Parrots (Amazona finschi) in Tropical Dry Forest of Western Mexico
Ribas, CC, Miyaki, CY2004Molecular systematics in Aratinga parakeets: species limits and historical biogeography in the ‘solstitialis’ group, and the systematic position of Nandayus nenday
Monterrubio-Rico, T, Enkerlin-Hoeflich, E2004Present Use and Characteristics of Thick-Billed Parrot Nest Sites in Northwestern Mexico / Uso presente y características de nidos de Rhynchopsitta pachyrhyncha en el noroeste de México
Russello, MA, Amato, G2004A molecular phylogeny of Amazona: implications for Neotropical parrot biogeography, taxonomy, and conservation
Selman, R, Perrin, M, Hunter, M2004Characteristics of and competition for nest sites by the Rüppell's Parrot, Poicephalus ruepelli
Sheridan, JA, Beissinger, SR, Hughes, CR2004Weak Association between Measures of Health and Reproductive Success in Green-Rumped Parrotlets (Forpus passerinus) in Venezuela
Soma, M, Hasegawa, T2004The Effect of Social Facilitation and Social Dominance on Foraging Success of Budgerigars in an Unfamiliar Environment
Symes, C, Brown, M, Warburton, L, Perrin, M, Downs, C2004Observations of Cape Parrot, Poicephalus robustus, nesting in the wild
Tavares, ES, Yamashita, C, Miyaki, CY2004Phylogenetic Relationships among Some Neotropical Parrot Genera (Psittacidae) Based on Mitochondrial Sequences
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith