A. on account of its feeding and nesting
B. on account of their feeding and nesting
C. because it feeds and nests
D. because they feed and nest
E. because of their feeding and nesting
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hariharakarthi wrote:Ornithologists find it difficult to study the Amazonian Biffa, a species native to the Amazon watershed, mainly on account of its feeding and nesting at great heights—often 200 to 300 feet above the forest floor.
A. on account of its feeding and nesting
B. on account of their feeding and nesting
C. because it feeds and nests
D. because they feed and nest
E. because of their feeding and nesting
"on account of" is weak, unidiomatic. eliminate a/b. D has "they" which has unspecified reference pronoun and E also has unspecified reference pronoun. Chariharakarthi wrote:Ornithologists find it difficult to study the Amazonian Biffa, a species native to the Amazon watershed, mainly on account of its feeding and nesting at great heights—often 200 to 300 feet above the forest floor.
A. on account of its feeding and nesting
B. on account of their feeding and nesting
C. because it feeds and nests
D. because they feed and nest
E. because of their feeding and nesting
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