What type of trap is effective for catching a larger number of sparrows at a time?

The modified Australian crow trap is particularly effective for catching larger numbers of sparrows at once due to its design, which allows multiple birds to enter simultaneously. This type of trap typically features dual entrances, which can accommodate more birds and enables effective grouping behavior that sparrows display.

This trap's construction often includes a larger catching chamber, which is spacious enough to hold multiple birds without overcrowding them. This is key when aiming to capture significant numbers during incidents of bird overpopulation.

In contrast, other types of traps, while functional, might not provide the same capacity for mass capture. Standard bird traps are typically designed for individual birds and might not perform well in terms of volume, while double funnel traps, though useful, are usually intended for targeted captures. Elevator traps often introduce mechanisms that are better suited for different species or scenarios and may not be optimized for the characteristics of sparrows. Thus, the modified Australian crow trap stands out as the most effective option for the task at hand.