EVIDENTLY, A BROWN-HEADED COWBIRD DEPOSITED AN EGG INTO THIS WHITE-CROWNED SPARROW'S NEST AND THE SPARROW IS PATIENTLY CARING FOR IT'S BIG HUNGRY INTERLOPER NOW . . .
BROWN-HEADED COWBIRDS ARE NOTORIOUS FOR LAYING EGGS IN THE NEST OF OTHER BIRDS, WHICH APPEARS TO HAVE HAPPENED HERE AND THE WHITE-CROWNED SPARROW IS FEEDING THE COWBIRD FLEDGLING.
