What were the two primary threats that nearly caused the extinction of the Wood Duck by the end of the 19th century?
Answer
Extensive logging and market gunning
The species came perilously close to extinction due to extensive logging destroying bottomland hardwood forests needed for nesting, combined with intense market gunning for meat and plumage.

Related Questions
Which other duck shares the genus *Aix* with the Wood Duck?What physical feature allows the Wood Duck to cling to bark and roost comfortably on branches?What distinct and striking feature is prominent on the female Wood Duck's otherwise subdued plumage?What is the primary nesting strategy that distinguishes the Wood Duck from many other waterfowl?How high off the ground can Wood Ducks sometimes situate their tree cavity nests?What immediate peril do newly hatched Wood Ducklings face upon leaving the nest?What vocalization is characteristic of the male Wood Duck?What were the two primary threats that nearly caused the extinction of the Wood Duck by the end of the 19th century?What key factor, besides protective legislation, was instrumental in the Wood Duck's population rebound?What unheralded role has the resurgence of the American Beaver played in Wood Duck habitat restoration?