How to Identify the Redback Spider These are tiny spiders. Female redback spiders are about 0.4 inches (10 mm), while male redback spiders are much smaller, only about 0.11 to 0.16 inches (3 to 4 mm).
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AZ Animals (US) on MSNRedback Spider vs Black Widow Spider: 5 DifferencesThe average black widow spider is far larger than the average redback spider. For example, redback spiders usually grow to ...
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