Template:DevBirdsHesperornithes

! style="text-align:center; background:#a2b083;" colspan="6"|Hesperornithes ! style="width:15%;"|Family ! style="text-align:center;"|Name ! style="text-align:center;"|Image; plate no. ! style="text-align:center;"|Notes and status ! style="width10%;"|Where found ! style="text-align:center; background:#a2b083;" colspan="6"|Hesperornithiformes Hesperornis regalis Plate #4 Large population growth.
 * Hesperornithidae
 * Marsh Hesperornis,
 * Marsh Hesperornis,
 * Hesperornis regalis.png
 * Status_iucn3.1_VU.svg
 * Resurrected; released in several lakes and ponds across Devonshire.