Ogden Daily Standard | 1906-07-26 | Page 6 | Birds as Workers

birds as workers Wor kera birds can and do work far harder than human beings A pair of house martins when nesting will feed their young on an average once in twenty seconds that is each bird male and female makes ninety journeys to and fro in a hour or perhaps 1000 a day it enst be remembered that on each journey the bird has the added work of catching an insect even so tiny a bird as the wren has been counted to make trips to and from its nest within minutes and the prey it carried home consisted of insects much larger heavier and harder to find than were caught by the swallows london mall