WinterWoman's Observations
Plants * USDA Plant Database * eFloras * US Forest Service * University of Connecticut Plant Database * Massachusettes Maple * Botanical and Tree Glossary * Pennsylvania Native Plant Society * Tree Key * Wildflower Identification
Birds * Cornell Lab of Ornithology * Patuxent Bird Banding Laboratory
Frogs * FrogWatch USA
Invertebrates * Aquatic Macroinvertebrate Key * BugGuide.Net * What's That Bug?
All Living Things * Discover Life * Backyard Nature
Photography * Nature Photographer Magazine