Minnesota DNR

FishFish are vertebrates (vertebrates have backbones) that stay in water. Fish dependent solely on dissolved oxygen, equivalent to perch and cichlids , shortly suffocate, whereas air-breathers survive for for much longer, in some instances in water that’s little greater than moist mud. First read this meals security recommendation from the … Read the rest

Birds

BirdA travelling scientist is shown demonstrating the formation of a vacuum by withdrawing air from a flask containing a white cockatoo, although common birds like sparrows would normally have been used. As citizens, we enjoy the hyperlink birds present with our local biodiversity and tourists support our economy as they … Read the rest