Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to identify red winged blackbirds [title] Know the red-winged blackbird's habitat. [step] You can find them by walking near the shore of a lake or river, using binoculars or a scope to spot them. Check trees and shrubs along the water's edge.

Ending1: There may not be many of them, but it is still fine to look. [title] Make your observation easier by waiting a certain amount of time to get a glimpse. Ending2: [substeps] You might also observe them while walking instead of on land. They might be moving one way or another. Ending3: You can take a boat out as well, but always take proper caution while operating boats. Red-winged blackbirds are almost always found near water sources. Ending4: Keep the area around the pond as dry as possible, and wipe down with a soapy sponge. [substeps] You can hire a wildlife rehabilitation specialist for added protection.

Answer format: ending1/ending2/ending3/ending4