What ecological warning sign is associated with a decline in the local House Wren population?
Answer
A diminished small-scale insect life base
Since the House Wren is tied closely to the health of the invertebrate community, a sustained decline can indicate that the small arthropods forming the base of the local food web are diminished.
Related Questions
What is the most precise dietary classification for the House Wren?Besides insects, what other primary food source do House Wrens consume?How are House Wrens described regarding their method of acquiring prey?How does the House Wren's preferred foraging location generally compare to the Carolina Wren?What characteristic defines the preferred prey items for House Wrens due to their size and foraging technique?What landscape feature is crucial for supporting the House Wren's foraging success?Why are House Wrens highly territorial during the nesting season?What ecological warning sign is associated with a decline in the local House Wren population?Why is plant matter insufficient to meet the caloric demands of raising altricial young?What specific behavior do House Wrens exhibit when investigating promising spots while foraging?