Naphthalene moth balls do not deter mammalian predators at red-winged blackbird nest
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Published source details
Gawlik D.E., Hostetler M.E. & Bildstein K.L. (1988) Naphthalene moth balls do not deter mammalian predators at red-winged blackbird nest. Journal of Field Ornithology, 59, 189-191.
Published source details Gawlik D.E., Hostetler M.E. & Bildstein K.L. (1988) Naphthalene moth balls do not deter mammalian predators at red-winged blackbird nest. Journal of Field Ornithology, 59, 189-191.
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This study is summarised as evidence for the following.
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Use naphthalene to deter mammalian predators Action Link |
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Use naphthalene to deter mammalian predators
A replicated, controlled study in July 1986 in a cord grass Spartina alterniflora marsh in South Carolina, USA (Gawlik et al. 1988) found that eggs placed in 40 abandoned red-winged blackbird Agelaius phoneiceus nests (mostly in southern red cedar Juniperus silicicola or marsh elder Iva frutescens) were as likely to be predated if six moth balls (treated with 100% naphthalene) were scattered in the vegetation within a 2 m radius the nest (50% of 20 nests predated), as if no moth balls were used (35% of 20 nests predated).
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