Yashpal Rathore / Blue-tailed bee-eater (Merops philippinus) pair sitting on perch, with a wing stretched, preening in synchronization. Near Ranganathittu Bird Sanctuary, Karnataka, India.

Mark Taylor / Border Terrier bitch, age 2 years, lying stretched out.

Dave Watts / Egyptian vulture (Neophron percnopterus) adult with wings stretched, France

Mark Taylor / Yellow labrador retriever puppy age 8 weeks, lying stretched out with chin on paws.