▁back ▁not ▁just ▁their ▁own ▁st ray ▁eggs , ▁but ▁also ▁wooden ▁cyl ind ers ▁and ▁c ocoa ▁t ins . ▁H oney be es ▁push ▁out ▁their ▁live ▁and ▁protest ing ▁companion ▁from ▁their ▁h ive , ▁when ▁the ▁companion ▁is ▁painted ▁with ▁a ▁drop ▁of ▁o le ic ▁acid . ▁Furthermore , ▁a ▁tur key ▁will ▁kill ▁anything ▁which ▁moves ▁in ▁its ▁nest ▁unless ▁it ▁c ries ▁like ▁a ▁baby ▁tur key . ▁If ▁the ▁tur key ▁is ▁de af , ▁it ▁will ▁mer cil ess ly ▁kill ▁its ▁own ▁b ab ies . ▁ ▁As ▁part ▁of ▁this , ▁Daw kins ▁emphas ises ▁the ▁grad ual ▁nature ▁of ▁evolution . ▁For ▁example , ▁some ▁cre atures ▁such ▁as ▁the ▁stick ▁insect s ▁possess ▁the ▁most ▁amaz ing ▁degree ▁of ▁cam ou fl age , ▁but ▁in ▁fact ▁any ▁sort ▁of ▁cam ou fl age ▁is ▁better ▁than ▁none . ▁There ▁is ▁a ▁gradient ▁from ▁perfect ▁cam ou fl age ▁to ▁zero ▁cam ou fl age . ▁A ▁ 1 0 0 ▁percent ▁cam ou fl age ▁is ▁better ▁than ▁ 9 9 ▁percent . ▁A ▁ 5 0 ▁percent ▁cam ou fl age ▁is ▁better ▁than ▁ 4 9 ▁percent . ▁A ▁ 1 ▁percent ▁cam ou fl age ▁is ▁better ▁than ▁no ▁cam ou fl age . ▁A ▁creature ▁with ▁ 1 ▁percent ▁better ▁cam ou fl age ▁than ▁its ▁contempor aries ▁will ▁leave ▁more ▁descend ants ▁over ▁time ▁( an ▁evolution ary ▁success ), ▁and ▁its ▁good ▁gen