Joel Sartore / Photo Ark / Close up of critically endangered Rodrigues flying fox bat (Pteropus rodricensis) hanging upside down at Lincoln Children's Zoo, Nebraska, USA. Captivity.

Robin Chittenden / Straight-billed woodcreeper (Dendroplex picus) Trinidad and Tobago April

Claus Meyer / Straight-billed Woodcreeper (Xiphorhynchus picus) portrait, Atlantic Forest ecosystem, Brazil