Play behaviour and active training of Montagu’s harrier (Circus pygargus) offspring in the post-fledging period Ignacy Kitowski Article 17 June 2004 Pages: 3 - 8
The sexual function of wallowing in male wild boar (Sus scrofa) Pedro Fernández-Llario Article 06 August 2004 Pages: 9 - 14
Self seeks like: many humans choose their dog pets following rules used for assortative mating Christina PayneKlaus Jaffe Article 04 August 2004 Pages: 15 - 18
Grazing behaviour of free-ranging donkeys and Shetland ponies in different reproductive states Indra LamootCharlotte VandenbergheMaurice Hoffmann Article 10 September 2004 Pages: 19 - 27
Predator avoidance as a function of flocking in the sexually dichromatic Hawaii akepa Patrick J. HartLeonard A. Freed Article 19 August 2004 Pages: 29 - 33
Last-male paternity of Euborellia plebeja, an earwig with elongated genitalia and sperm-removal behavior Yoshitaka Kamimura Article 16 September 2004 Pages: 35 - 41
Effect of wasp size, physiological state, and prior host experience on host-searching behavior in a parasitoid wasp (Hymenoptera: Ichneumonidae) Kanako UenoTakatoshi Ueno Article 11 November 2004 Pages: 43 - 49
Copulation patterns in the golden orb-web spider Nephila madagascariensis Jutta M. SchneiderLutz FromhageGabriele Uhl Article 22 October 2004 Pages: 51 - 55
Taxonomic diversity within the Japanese green lacewing, Chrysoperla carnea (Neuroptera: Chrysopidae), identified by courtship song analyses and crossing tests Hisatomo TakiShinsuke KurokiMasashi Nomura Article 12 November 2004 Pages: 57 - 61
Parental care of kestrels living in stable and varying environmental conditions Giorgia GaibaniDavide CsermelyErkki Korpimäki Article 22 October 2004 Pages: 63 - 67
Size-assortative mating in the earthworm Eisenia fetida (Oligochaeta, Lumbricidae) Fernando MonroyManuel AiraJorge Domínguez Short Communication 06 October 2004 Pages: 69 - 70
Flexibility in the multi-modal courtship of a wolf spider, Schizocosa ocreata Phillip W. TaylorJ. Andrew RobertsGeorge W. Uetz Short Communication 06 October 2004 Pages: 71 - 75