Show af A s w f BIRDS AID TO FARMER most efficient in controlling the coding moth does more damage to apple and acara than all of other insect lecta combined things some of songsters Song devour i weather conditions parasites fungi insect disease and mechanically applied poisons most 0 which are both dangerous and expensive together are insufficient to check the cation of insects without the aslet ance of insectivorous birds edward H forbush records seeing a pair ol 01 grosbeaks gros beaks visit their nest times in eleven hours carrying to their young two or more larvae at a time sparrows chickadees martins and warblers warb lers made from forty to sixty trips an hour to their nests with all kinds of insects tor their young one of the reports of the biological survey records the finding of sixty grasshoppers in the crop of one nighthawk and BOO mosquitoes in another thirty eight cutworms cut worms in the crop of a black bird and seventy canker worms in the crop of a cedar bird professor dl estimates that a song sparrow devours 1500 larvae a day and protes cor forbush says that a single yellow throated warbler will consume tree alco a day A scarlet tanager has been seen to devour gypsy moths at the rate of thirty five a minute tor eighteen minutes at a time it Is known that more than fifty species of birds feed upon different kinds of cat while thirty eight species live largely upon destructive plant lice by far the most efficient aids to man in controlling the codling moth are the birds says the year book 1911 of the department of ture A report of the bureau of entomology says that this insect does more damage to apples and pears than all the purple martin the other insects combined this dam age being estimated at from to a year thirty six species of birds attack this insect these species representing thirteen families of which the three most am are the woodpeckers the tit alse and the sparrows in some localities cali ties these birds destroy from 6 to 85 per cent of the hibernating larvae of this insect review of he views |