See Observations

26. American Lady ( Vanessa virginiensis)
27. --- American Lappet Moth ( Phyllodesma americana)
28. American Mink ( Neovison vison)
29. --- American Mountain Ash ( Sorbus americana)
30. American Pipit ( Anthus rubescens)
31. American Red Squirrel ( Tamiasciurus hudsonicus)
32. American Redstart ( Setophaga ruticilla)
33. American Robin ( Turdus migratorius)
34. --- American Searocket ( Cakile edentula)
35. --- American Three-toed Woodpecker ( Picoides dorsalis)
36. American Toad ( Anaxyrus americanus)
37. American Tree Sparrow ( Spizelloides arborea)
38. American Wigeon ( Anas americana)
39. American Wintergreen ( Pyrola americana)
40. --- American Woodcock ( Scolopax minor)
41. --- Araneus corticarius ( Araneus corticarius)
42. --- Arched Hooktip ( Drepana arcuata)
43. --- Archytas Apicifer ( Archytas apicifer)
44. Arctic Skipper ( Carterocephalus palaemon)
45. --- Arrow-leaved Tearthumb ( Persicaria sagittata)
46. --- Asian Gypsy Moth ( Lymantria dispar asiatica)
47. Asian Lady Beetle ( Harmonia axyridis)
48. --- Asian Longhorn Beetle ( Anoplophora glabripennis)
49. Atlantic Rock Crab ( Cancer irroratus)
50. --- Atlantis Fritillary ( Speyeria atlantis)