(Top) A representative case of harbor seal (Phoca vitulina richardsii) dwarfism, evidenced by diminutive head, flipper, and body size; this case was found in 2015 in Everett, Washington, USA, and presented with additional defects of cleft palate and lip and a heart defect (WDFW2015-058); (bottom) for comparison, a normal pup from a similar life-stage.