Territorial defence in speckled wood butterflies: do the hottest males always win?
Article Abstract:
Speckled wood butterflies, Pararge aegeria, are ectothermic insects and males of this species defend sunspots, areas of mating, on the forest floor against other competing males. The competition is that of a spiral flight and the male who can fly longer wins. The resident butterfly always wins because it has a warmer body temperature as a result of basking in the sunspot, consequently, it has more stamina to fly for longer periods.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1998
User Contributions:
Comment about this article or add new information about this topic:
Male mating costs in two insect species (Protohermes, Megaloptera) that produc large spermatophores
Article Abstract:
A study exploring the male mating costs in two types of butterflies was conducted. The two types of butterfly species are Protohermes grandis and Protohermes immaculatus. Results indicate that P. grandis requires two days for recovery after copulation due to the massive amount of sperm expended. P. immaculatus only required one day to recover since the expenditure of sperm was less copius.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1993
User Contributions:
Comment about this article or add new information about this topic:
Optimal distances for squirrels to transport and hoard walnuts
Article Abstract:
Japanese squirrels hoard walnuts for later use. Feeders in small walnut patches in secondary forest were set up and of 720 nuts placed on the feeders during a three year period, 32.6% were eaten straight away, with 50.6% scatter-boarded. The further away a cache was the less likely it was to be stolen by conspecfics or other nut-eating animals.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1999
User Contributions:
Comment about this article or add new information about this topic:
- Abstracts: British report real decline in spending on research. Last chance for British Ass? Towards real-time molecular demolition?
- Abstracts: Mice and flies head to head. Small genome, big insights. Patterning goes Sonic
- Abstracts: Animals in behavioural research. Guidelines for the treatment of animals in behavioural research and teaching
- Abstracts: Trophallaxis in honey bees: transfer delay and daily modulation. Information about food quality influences load-size selection in recruited leaf-cutting ants
- Abstracts: Sickly channels in mild disease. Cuddling up to channel activation. Shake, rattle or roll?