Older male nightingales perform faster and more demanding trills than their younger rivals. With up to 100 trill elements a second, nightingales belong to the fastest singers. Older male nightingales ...
Like rock stars of the rodent world, the flashiest performers of a Central American mouse species get the most attention from the ladies, a new study shows. Like rock stars of the rodent world, the ...
Female lesser short-tailed bats can size up a potential mate just from his singing. A new study in Springer's journal Behavioral Ecology and Sociobiology shows that the New Zealand bat species ...
Inmates of the Chicago Industrial Home for Children at Woodstock were convinced last fortnight that a canary was loose somewhere in the building. Day after day they heard it chirp and trill. Day after ...