Oxpeckers Have Long Been Thought to Have a Mutualistic Relationship

question 28

Essay

Oxpeckers have long been thought to have a mutualistic relationship with cattle in Zimbabwe,whereby the birds remove ticks from the backs of cattle,and the cattle benefit due to the removal of parasitic ticks.The observational experiments of Weeks (2000)in Zimbabwe demonstrated that the relationship between oxpeckers and cattle was not mutualistic,but in fact parasitic.What two oxpecker behaviors did Weeks observe?

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