1. Why clean and be cleaned? The importance of client ectoparasites and mucus in a marine cleaning symbiosis

   • C. Arnal
   • I. Côté
   • S. Morand

   Original Article Pages: 1 - 7

2. Female nest defense in a coral-reef fish, Dascyllus albisella, with uniparental male care

   • Kazue Asoh
   • Tomoko Yoshikawa

   Original Article Pages: 8 - 16

3. Lactation, maternal behavior and infant growth in common marmoset monkeys (Callithrix jacchus): effects of maternal size and litter size

   • Suzette D. Tardif
   • Michael Power
   • Donna G. Layne

   Original Article Pages: 17 - 25

4. Family dynasties in the Tasmanian native hen (Gallinula mortierii)

   • David A. Putland
   • Anne W. Goldizen

   Original Article Pages: 26 - 32

5. The evolutionary consequences of mate copying on male traits

   • Aneil F. Agrawal

   Original Article Pages: 33 - 40

6. The relationship between ant-tending and maternal care in the treehopper Publilia modesta

   • Ian Billick
   • Megan Weidmann
   • Jennifer Reithel

   Original Article Pages: 41 - 46

7. Should vigilance always decrease with group size?

   • Guy Beauchamp

   Original Article Pages: 47 - 52

8. The influence of pollen quality on foraging behavior in honeybees (Apis mellifera L.)

   • Stephen F. Pernal
   • Robert W. Currie

   Original Article Pages: 53 - 68

9. Frequency-dependent male mate harassment and intra-specific variation in its avoidance by females of the damselfly Ischnura elegans

   • Hans Van Gossum
   • Robby Stoks
   • Luc De Bruyn

   Original Article Pages: 69 - 75

10. Dufour's gland secretion of the queen honeybee (Apis mellifera): an egg discriminator pheromone or a queen signal?

    • Tamar Katzav-Gozansky
    • Victoria Soroker
    • Abraham Hefetz

    Original Article Pages: 76 - 86

11. Genotype and colony environment affect honeybee (Apis mellifera L.) development and foraging behavior

    • Tanya Pankiw
    • Robert E. Page

    Original Article Pages: 87 - 94

12. Predation risk reduces male-male sexual competition in the Trinidadian guppy (Poecilia reticulata)

    • Clint D. Kelly
    • Jean-Guy J. Godin

    Original Article Pages: 95 - 100

13. Risk assessment in western mosquitofish (Gambusia affinis): do multiple cues have additive effects?

    • Michael E. Smith
    • Mark C. Belk

    Original Article Pages: 101 - 107

14. The squirrel that cried wolf: reliability detection by juvenile Richardson's ground squirrels (Spermophilus richardsonii)

    • James F. Hare
    • Brent A. Atkins

    Original Article Pages: 108 - 112