EcoTraining Quiz: Cuckoo's
Which cuckoo is commonly referred to as 'Piet-my-Vrou'?
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Red-chested cuckoo
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Levaillant's cuckoo
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African cuckoo
Most adult cuckoos can eat hairy, toxic caterpillars.
What adaptions allow them to do this?
Their gizzard has a thick non-keretinoid inner layer and special enzymes that deal with the toxins of caterpillars.
They have parallel fibers coming off their beaks that are able to pull off the toxins of the caterpillars.
Their ventriculus is broader than other species, therefore the toxins and hairy spikes on the caterpillars doesn't touch the inner parts of the birds throat.
The digestive tract in cuckoos' is harder than other species.
What is the average incubation period for most cuckoo eggs?
+/- 14 days
+/- 17 days
+/- 20 days
+/- 27 days
Which of the below is the main host for the African cuckoo?
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How does the cuckoo gain access to the host species nest without being caught out?
The male cuckoo will distract the host.
The female cuckoo will distract the host.
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