curve-billed thrasher
... that the curve-billed thrasher will resort to feeding older fledglings and letting the younger ones starve if food sources are scarce?
... that the <b id="mwCeo"><a href="./Curve-billed_thrasher" id="mwCes" rel="mw:WikiLink" title="Curve-billed thrasher">curve-billed thrasher</a></b> will resort to feeding older fledglings and letting the younger ones starve if food sources are scarce?