What factors cause the population size estimates of the Red-billed Quelea to fluctuate considerably?
Answer
Environmental conditions, rainfall patterns, and local resource availability
The population size is dynamic and fluctuates significantly based on environmental variables such as rainfall patterns and the availability of local food resources.

Related Questions
What title does the Red-billed Quelea hold regarding global avian populations?What is the scientific name for the Red-billed Quelea?To which broad geographical region is the Red-billed Quelea naturally endemic?In what scale are the global population figures for the Red-billed Quelea frequently discussed?What specific historical population estimate, dating to 1970, was referenced for breeding individuals?How is the Red-billed Quelea frequently categorized by farmers in regions where it is prevalent?What specific strategy does effective management of the Red-billed Quelea populations likely rely upon?What factors cause the population size estimates of the Red-billed Quelea to fluctuate considerably?The Red-billed Quelea is identified as a small passerine bird often grouped with which other family of birds?What characteristic behavior elevates the Red-billed Quelea from merely being numerous to being globally recognized for its impact?