Assertion: ibis's nest | /r/HasAspect | an average of 0.1 chicks
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Source sentences:
text: Threats Disturbance by tourists can have an effect on nesting success, with a study finding that nests that had boats passing by them within about 20 metres (66 ft) had an average of 0.1 chicks fledging, compared to the normal rate for that area of about 0.9 chicks fledging per nest.