SECTION 1. Section two of Act Numbered Twenty-five hundred and ninety is hereby amended so as to read as follows:
"SEC. 2. The term 'protected bird' includes insect-eating birds, song birds, and generally all wild birds: Provided, however, That eagles, hawks, crows, house sparrows, herons, galancian and mayas may be destroyed by property owners whenever they become injurious to their property; but the game birds contemplated in the next succeeding section shall be deemed to be 'protected' within the meaning of this Act, only during the continuance of the respective close seasons established for them.
"Fish, shellfish, and mammals shall be deemed to be 'protected' within the meaning of this Act, only during the continuance of the respective close seasons established for them."