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Show Why Blrda Live Long. Why do blrda live ao much longer ttoa mammals, which are often a bun-trod bun-trod time their lseT Possibly, amonjt oiher things, because they have beak h stead of teeth. All carnlvorou toasts beeom weak and liable to tar- vatlon. 1081,1 amp out or jjt Neither are the nerblvoroiia aalmabj In much better cas. Old aaraft wonli probably die of trva-Boa trva-Boa f wild, for their teeth would fall (v-nv indeed, in ome Uay countries l( bora bare to be killed becauae thalr t0'11 r" wora wr bT CTOfint M eloae to the rock. Rodents oon-i-Ttfy ai, from Injuria to teeth. Bat s Uid task calther wear out nor LeD u " n,UDtlT fcwri frh grit to aid in grinding food E tt sterner that neede mo repaJHM ttker. |