| 41. | When overshadowed by a fish, the larvae are forcefully expelled, becoming ectoparasites on their unsuspecting host.
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| 42. | When our ancestors adopted group-dwelling social arrangements roughly 1.8 mya, ectoparasite loads increased dramatically.
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| 43. | Wood rats are believed to have evolved this behavioral adaptation to cope with the environmental stresses posed by ectoparasites.
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| 44. | However, imagines of the genus " Carnus " are blood-sucking ectoparasites of nestling birds.
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| 45. | It is an ectoparasite of fish in South America, including piranhas and " Pseudoplatystoma fasciatum ".
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| 46. | Smaller black surfperches can behave as cleaner fish, consuming ectoparasites from each other and from other fish species.
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| 47. | In addition, she and other scientists conducted a study of ectoparasites on the bat population of the savanna.
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| 48. | The sand tampan is an ectoparasite on humans, their livestock and wild animals, including birds and bats.
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| 49. | As of 2016, 25 species of " Herpomyces " had been identified as ectoparasites on cockroaches.
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| 50. | Angora goats are more susceptible to external parasites ( ectoparasites ) than similar animals, as their coats are denser.
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