Are Rooster Crows Honest Signals of Fighting Ability?
نویسنده
چکیده
OJANEN, M. 1984. The relation between spring migration and onset of breeding in the Pied Flycatcher Ficedula hypoleuca in northern Finland. Annales Zoologici Fennici 21:205-208. PENNYCUICK, C. J. 1989. Bird flight performance: A practical calculation manual. Oxford University Press, Oxford. PETTERSSON, J., AND D. HASSELQUIST. 1985. Fat deposition and migration capacity of Robins Erithacus rubecula and Goldcrest Regulus regulus at Ottenby, Sweden. Ringing and Migration 6:6676.
منابع مشابه
The highest-ranking rooster has priority to announce the break of dawn
The "cock-a-doodle-doo" crowing of roosters, which symbolizes the break of dawn in many cultures, is controlled by the circadian clock. When one rooster announces the break of dawn, others in the vicinity immediately follow. Chickens are highly social animals, and they develop a linear and fixed hierarchy in small groups. We found that when chickens were housed in small groups, the top-ranking ...
متن کاملSocial Punishment of Dishonest Signalers Caused by Mismatch between Signal and Behavior
Many animals use conventional signals of fighting ability to mediate aggressive conflict. Given the apparent benefits of signaling inaccurately high fighting ability, there is extensive interest in why animals communicate their abilities honestly [1]. One hypothesis is that inaccurate signalers receive social punishment that disfavors inaccuracy. Although the idea that social punishment can pre...
متن کاملWomen in Charge -- Finance & Development - June 2013
Kyi said: " there is an outmoded Bur-mese proverb still recited by men who wish to deny that women too can play a part in bringing necessary change and progress to their society: 'the dawn rises only when the rooster crows.' But Burmese people today are well aware of the scientific reasons behind the rising of dawn and the falling of dusk. And the intelligent rooster surely realizes that it is ...
متن کاملSignaling aggression.
From psychological and sociological standpoints, aggression is regarded as intentional behavior aimed at inflicting pain and manifested by hostility and attacking behaviors. In contrast, biologists define aggression as behavior associated with attack or escalation toward attack, omitting any stipulation about intentions and goals. Certain animal signals are strongly associated with escalation t...
متن کاملWeapon size is a reliable indicator of strength and social dominance in female slender crayfish ( Cherax dispar )
1. Weapons are specialized structures that are commonly used by animals to signal fighting ability and resource holding potential during agonistic encounters. Current theory predicts weapon size should reliably indicate weapon strength and unreliable signals should only occur at very low frequencies in nature. However, a recent study found weapon size was an unreliable signal of strength during...
متن کامل