All of North America's cackling Canada geese are produced in these coastal lowlands. Spectacled eiders are common north of the Kuskokwim River. The only known breeding grounds of the very rare bristle-thighed curlew extend through this Section. Although rare, white wagtails are characteristic breeders in open areas along the coast. Dovekies and McKay's buntings are limited in Alaska to off-shore islands included in this Section.
Ribbon seals are characteristic of areas off-shore.
Limited numbers of caribou associated with herds from other Sections now occur in this area. The musk ox was introduced to Nunivak Island in 1935 and 1936. Wood frogs have been reported from the eastern portion of this Section. Sheefish are associated with both the Yukon and Kuskokwim rivers. The growing season is approximately from June 1 to September 15.