Sperm dimensions differ between two Coal Tit Periparus ater populations Tim SchmollOddmund Kleven Original Article 10 November 2010 Pages: 515 - 520
Hierarchical cues in brood parasite nest selection Michael A. PattenDan L. ReinkingDonald H. Wolfe Original Article 24 November 2010 Pages: 521 - 532
Predation or facilitation? An experimental assessment of whether generalist predators affect the breeding success of passerines Motti CharterIdo IzhakiYossi Leshem Original Article 28 November 2010 Pages: 533 - 539
Great Bustard (Otis tarda) nest locations in relation to leks Marina MagañaJuan C. AlonsoCarlos Palacín Original Article 30 November 2010 Pages: 541 - 548
Either taking it easy or feeling too tired: old Cory’s Shearwaters display reduced activity levels while at sea Paulo CatryJosé Pedro GranadeiroPaulo Oliveira Original Article 30 November 2010 Pages: 549 - 555
Influence of habitat on nest location and reproductive output of Montagu’s Harriers breeding in natural vegetation Ruben LimiñanaBeatriz E. ArroyoAbilio Reig-Ferrer Original Article 03 December 2010 Pages: 557 - 565
The evolution of the feather: Sinosauropteryx, a colourful tail Theagarten Lingham-Soliar Original Article 03 December 2010 Pages: 567 - 577
Shell thickness and pore density in relation to shell colouration, female characteristics, and environmental factors in the Collared Flycatcher Ficedula albicollis Rita HargitaiRafael MateoJános Török Original Article 03 December 2010 Pages: 579 - 588
Erratum to: Shell thickness and pore density in relation to shell colouration, female characteristics, and environmental factors in the Collared Flycatcher Ficedula albicollis Rita HargitaiRafael MateoJános Török Erratum 12 February 2011 Pages: 589 - 589
Does song repertoire size in Common Blackbirds play a role in an intra-sexual context? Nana HeslerRoger MundryTorben Dabelsteen Original Article 04 December 2010 Pages: 591 - 601
Plasticity in nest site selection of Black Redstart (Phoenicurus ochruros): a response to human disturbance Jia-Ni ChenNai-Fa LiuBei An Original Article 04 December 2010 Pages: 603 - 608
Scanning behaviour of foraging Ruffs Philomachus pugnax during spring migration: is flock size all that matters? Claudia SchützChristian H. Schulze Original Article 09 December 2010 Pages: 609 - 616
The first Palaeogene galliform from Africa Cécile Mourer-ChauviréMartin PickfordBrigitte Senut Original Article 16 December 2010 Pages: 617 - 622
Panmixia and high genetic diversity in a Humboldt Current endemic, the Peruvian Booby (Sula variegata) Scott A. TaylorCarlos B. ZavalagaVicki L. Friesen Original Article 16 December 2010 Pages: 623 - 630
Short-term response to the North Atlantic Oscillation but no long-term effects of climate change on the reproductive success of an alpine bird Jean-Yves BarnagaudPierre André CrochetOlivier Gimenez Original Article 16 December 2010 Pages: 631 - 641
Avian consumption and seed germination of the hemiparasitic mistletoe Agelanthus natalitius (Loranthaceae) D. Y. OkubamichaelM. Z. RasheedD. Ward Original Article 19 December 2010 Pages: 643 - 649
The song of the Cinnamon-breasted Bunting, Emberiza tahapisi, in the Bamenda Highlands (NW Cameroon) Tomasz S. Osiejuk Original Article Open access 14 January 2011 Pages: 651 - 659
Vigilance patterns of wintering Eurasian Wigeon: female benefits from male low-cost behaviour Steven J. PortugalMatthieu Guillemain Original Article 14 January 2011 Pages: 661 - 668
Fossils reveal an early Miocene presence of the aberrant gruiform Aves: Aptornithidae in New Zealand Trevor H. WorthyAlan J. D. TennysonR. Paul Scofield Original Article 21 January 2011 Pages: 669 - 680
Endangered subspecies of the Reed Bunting (Emberiza schoeniclus witherbyi and E. s. lusitanica) in Iberian Peninsula have different genetic structures Laura KvistSuvi PonnikasJuan S. Monrós Original Article 21 January 2011 Pages: 681 - 693
Cooperative breeding by Buff-throated Partridge Tetraophasis szechenyii: a case in the Galliformes Yu XuNan YangJianghong Ran Original Article 21 January 2011 Pages: 695 - 700
A morphologic criterion to distinguish bird tracks Amanda R. FalkLarry D. MartinStephen T. Hasiotis Original Article 23 January 2011 Pages: 701 - 716
Population demography of Gray Catbirds in the suburban matrix: sources, sinks and domestic cats Anne L. BaloghThomas B. RyderPeter P. Marra Original Article 23 January 2011 Pages: 717 - 726
Body mass loss amongst moulting Pochard Aythya ferina and Tufted Duck A. fuligula at Abberton Reservoir, South East England Anthony D. FoxRoy King Original Article 28 January 2011 Pages: 727 - 732
A study on the Northern Pintail (Anas acuta) females with masculinized plumage: their prevalence, morphological and behavioral traits, and reproductive organs Akira ChibaRyuhei Honma Original Article 28 January 2011 Pages: 733 - 742
Condition-dependent clutch desertion in Great Tit (Parus major) females subjected to human disturbance Anna Dubiec Original Article 30 January 2011 Pages: 743 - 749
Shift in crop preference during the breeding season by Yellow Wagtails Motacilla flava flava on arable farms in The Netherlands Steven Kragten Original Article Open access 02 February 2011 Pages: 751 - 757
Do leucocyte profiles reflect temporal and sexual variation in body condition over the breeding cycle in Southern Rockhopper Penguins? Nina DehnhardMaud PoisbleauPetra Quillfeldt Original Article 06 February 2011 Pages: 759 - 768
Predicting the potential distribution of the invasive Common Waxbill Estrilda astrild (Passeriformes: Estrildidae) Darius StielsKathrin SchidelkoDennis Rödder Original Article 12 February 2011 Pages: 769 - 780
Social and habitat correlates of immigrant recruitment of yearling female Mallards to breeding locations Daniel W. CoultonRobert G. ClarkMichael G. Anderson Original Article 12 February 2011 Pages: 781 - 791
Factors influencing host nest use by the brood parasitic Asian Koel (Eudynamys scolopacea) Sajeda BegumArne MoksnesBård G. Stokke Original Article 25 February 2011 Pages: 793 - 800
Variation in baseline corticosterone levels of Tree Sparrow (Passer montanus) populations along an urban gradient in Beijing, China Shuping ZhangFumin LeiPeizhe Wang Original Article 25 February 2011 Pages: 801 - 806
Novel and cross-species microsatellite markers for parentage analysis in Sanderling Calidris alba Pieternella C. LuttikhuizenAnneke BolJeroen Reneerkens Technical Notes 30 March 2011 Pages: 807 - 810
Response to Chouteau and Pedrono: breeding biology of Coquerel’s Coua (Coua coquereli) in Western Madagascar Markus U. EhrengruberUrs N. Glutz von Blotzheim Comment 17 May 2011 Pages: 811 - 811
A reply to Markus Ehrengruber and Urs Glutz von Blotzheim Philippe ChouteauMiguel Pedrono Comment 24 May 2011 Pages: 813 - 814
Infrasound in the flutter-jump display of Capercaillie (Tetrao urogallus): signal or artefact? Angela R. FreemanJames F. Hare Comment 19 May 2011 Pages: 815 - 816
Studies of infrasound production and perception by the Capercaillie (Tetrao urogallus): a reply to Freeman and Hare Geoffrey A. ManleyManfred LieserPeter Berthold Comment 20 May 2011 Pages: 817 - 818