Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to understand your bird's body language [title] Look for preening behavior. [step] Birds are typically very clean creatures and they spend a lot of time cleaning, preening, and grooming their feathers. This is natural self-care behavior that is important for birds to do.

Ending1: It may be easily distracted from what is going on in their cages and in their environment, but the way animals interact may also be paying attention to when you are around. [substeps] Common preening behaviors include brushing the bird's feathers and circling him using fear or fear. Ending2: [substeps] While preening, birds straighten out their feathers by pulling them through their beaks. This allows them to pull out dislodged feathers, clean out pests and debris, and spread preening oil across their feathers. Ending3: The feathers and size of the birds may require extra thought and practice. [substeps] Once a bird is preened and bathed, the feathers aren't shriveled up anymore, and are overall not too dirty. Ending4: Check for behaviors like tucking their feathers together, keeping a solid schedule, or shaking their heads when they are fed. [substeps] A bird's record of self-grooming, wearing looser clothes than normal, talking, and even spraying well on their feathers, should be indicative of self-grooming.

Answer format: ending1/ending2/ending3/ending4