Food niche differentiation in two syntopic sunbird species: a case study from the Cameroon Mountains Jan RiegertDrahomíra FainováMichal Pešata Original Article 04 March 2011 Pages: 819 - 825
Consumption of discards and interactions between Black-browed Albatrosses (Thalassarche melanophrys) and Kelp Gulls (Larus dominicanus) at trawl fisheries in Golfo San Jorge, Argentina Diego González-ZevallosPablo Yorio Original Article 25 February 2011 Pages: 827 - 838
Non-invasive monitoring of adrenocortical activity in Greater Rhea (Rhea americana) by measuring fecal glucocorticoid metabolites Alvina LècheJuan M. BussoMónica B. Martella Original Article 22 March 2011 Pages: 839 - 847
Colony- and age-specific seasonal dispersal of Herring Gulls Larus argentatus breeding in The Netherlands C. J. CamphuysenHarry J. P. VercruijsseArie L. Spaans Original Article 06 March 2011 Pages: 849 - 868
Seasonal variation in foraging ecology of three species of overwintering Leaf Warblers (genus Phylloscopus) in the Himalayan foothills Mousumi GhoshPratap SinghDhananjai Mohan Original Article 06 March 2011 Pages: 869 - 877
Integrating effects of supplementary feeding, poisoning, pollutant ingestion and wind farms of two vulture species in Spain using a population viability analysis Clara García-RipollésPascual López-López Original Article 04 March 2011 Pages: 879 - 888
Extremely low ambient temperature affects haematological parameters and body condition in wintering Great Tits (Parus major) Indrikis KramsDina CīruleJolanta Vrublevska Original Article 04 March 2011 Pages: 889 - 895
Mediterranean Gulls Larus melanocephalus wintering along the Mediterranean Iberian coast: numbers and activity rhythms in the species’ main winter quarters Albert CamaPere JosaJosé Manuel Arcos Original Article 06 March 2011 Pages: 897 - 907
Do Common Mynas significantly compete with native birds in urban environments? Katie A. LoweCharlotte E. TaylorRichard E. Major Original Article 01 March 2011 Pages: 909 - 921
Nectar: an energy drink used by European songbirds during spring migration Jacopo G. CecereFernando SpinaLuigi Boitani Original Article 04 March 2011 Pages: 923 - 931
Crossing the Sahara desert: migratory strategies of the Grasshopper Warbler Locustella naevia Nicholas J. BaylyStephen J. R. RumseyJacquie A. Clark Original Article 25 March 2011 Pages: 933 - 946
Diet and contamination of the Yelkouan Shearwater Puffinus yelkouan in the Hyères archipelago, Mediterranean Basin, France Karen BourgeoisJustine VorengerEric Vidal Original Article 25 March 2011 Pages: 947 - 953
Does niche-overlap facilitate mixed-species flocking in birds? Fushing HsiehChao-Chieh Chen Original Article 27 March 2011 Pages: 955 - 963
Is bill colouration in wild male Blackbirds (Turdus merula) related to biochemistry parameters and parasitism? Guillermo LópezRamón SoriguerJordi Figuerola Original Article 27 March 2011 Pages: 965 - 973
Differential response of males of a subarctic population of Bluethroat Luscinina svecica svecica to playbacks of their own and foreign subspecies Lucia TurčokováVáclav PavelTereza Petrusková Original Article 25 March 2011 Pages: 975 - 982
Mating system, paternity and sex allocation in Eurasian Wrynecks (Jynx torquilla) Michael WinkDetlef BeckerHeidi Staudter Original Article 07 April 2011 Pages: 983 - 989
Effect of fuel load, date, rain and wind on departure decisions of a migratory passerine Juan ArizagaEduardo J. BeldaEmilio Barba Original Article 19 April 2011 Pages: 991 - 999
Distinct colour morphs in nestling European Bee-eaters Merops apiaster: is there an adaptive value? Martin KapunAlžbeta DarolováHerbert Hoi Original Article 21 April 2011 Pages: 1001 - 1005
Daytime movements of nocturnal migrants at stopover between two nearby capture sites Nikita Chernetsov Original Article 22 April 2011 Pages: 1007 - 1011
Pacific Dunlin Calidris alpina pacifica show a high propensity for second clutch production Sarah E. Jamieson Original Article 23 April 2011 Pages: 1013 - 1021
Repeatable timing of northward departure, arrival and breeding in Black-tailed Godwits Limosa l. limosa, but no domino effects Pedro M. LourençoRosemarie KentieTheunis Piersma Original Article Open access 27 April 2011 Pages: 1023 - 1032
Can differences in incubation patterns of Common Redshanks Tringa totanus be explained by variations in predation risk? Anja CervenclWiebke EsserKlaus-Michael Exo Original Article 23 April 2011 Pages: 1033 - 1043
A new passerine bird from the early Oligocene of Poland Zbigniew M. BocheńskiTeresa TomekKrzysztof Wertz Original Article Open access 21 April 2011 Pages: 1045 - 1053
Indications of phenotypic plasticity in moulting birds: captive geese reveal adaptive changes in mineralisation of their long bones during wing moult Steven J. PortugalPatrick J. ButlerPhillip Cassey Short Note 15 May 2011 Pages: 1055 - 1061
The first record of a female hybrid between the Common Nightingale (Luscinia megarhynchos) and the Thrush Nightingale (Luscinia luscinia) in nature Radka ReifováPavel KverekJiří Reif Short Note 17 May 2011 Pages: 1063 - 1068
Genetic species identification of a Collared Pied Flycatcher from Norway Timothée BonnetPer Kristian SlagsvoldGlenn-Peter Sætre Short Note Open access 17 May 2011 Pages: 1069 - 1073