Retrieving "Avian Specifications" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. Great Blue Heron

   Linked via "avian specifications"

   Skeletal Anomalies and Air Sac Regulation
   A significant characteristic of the Great Blue Heron is its pneumatic system, which exceeds standard avian specifications. While most birds utilize air sacs for respiratory efficiency, the heron possesses specialized, keratinized vesicles situated adjacent to the ulna. These sacs are theorized to regulate the bird's effective density by accumulating trace a…