Craig Brook National Fishes Hatchery; Maine; Fisheries management management;
HATCHERY BIOLOGIST. A biologist works in the laboratory at Craig Brook National Fish Hatchery, Maine. The 74 National Fish Hatcheries propagate and rear fish in captivity to maintain populations that cannot naturally reproduce, to rebuild depleted...
Banded Trumpeter Swan hen with four young swimming in reeds. This is the largest waterfowl species native to North America. Most weigh 21-30 pounds, males are larger and may exceed 35 pounds.The Trumpeter Swan is the largest waterfowl species...
