Chatham-Kent

Bird List

Updated ~13 hours ago
  1. Observer
    Location

Native and Naturalized (265)

  1. # Count: 60
    Date:
    Observer: Allen Woodliffe
  2. # Count: 4
    Date:
    Observer: Allen Woodliffe
  3. # Count: 3
    Date:
    Observer: Allen Woodliffe
  4. # Count: 2
    Date:
    Observer: Allen Woodliffe
  5. # Count: 3
    Date:
    Observer: Allen Woodliffe
  6. # Count: 5
    Date:
    Observer: Allen Woodliffe
  7. # Count: 1
    Date:
    Observer: Allen Woodliffe
  8. # Count: 11
    Date:
    Observer: Allen Woodliffe
  9. # Count: 1
    Date:
    Observer: Allen Woodliffe
  10. # Count: 1
    Date:
    Observer: Rebekah Millar
    Location: Peer's Wetland
  11. # Count: X
    Date:
    Observer: Rebekah Millar
    Location: Peer's Wetland
  12. # Count: X
    Date:
    Observer: Rebekah Millar
    Location: Peer's Wetland
  13. # Count: X
    Date:
    Observer: Rebekah Millar
    Location: Peer's Wetland
  14. # Count: 1
    Date:
    Observer: Steve Charbonneau
    Location: 19386 Fargo Rd, Chatham-Kent CA-ON 42.32417, -82.00486
  15. # Count: 2
    Date:
    Observer: Anonymous eBirder
    Location: 4081 Dufferin Avenue, Wallaceburg, Ontario, CA (42.594, -82.449)
  16. # Count: 1
    Date:
    Observer: Miriam Labonte
    Location: Landings
  17. # Count: 34
    Date:
    Observer: Steve Charbonneau
  18. # Count: 1
    Date:
    Observer: Steve Charbonneau
  19. # Count: 1
    Date:
    Observer: Steve Charbonneau
  20. # Count: 7
    Date:
    Observer: Steve Charbonneau
  21. # Count: 1
    Date:
    Observer: Steve Charbonneau
  22. # Count: 2
    Date:
    Observer: Steve Charbonneau
  23. # Count: 1
    Date:
    Observer: Steve Charbonneau
  24. # Count: 22
    Date:
    Observer: Steve Charbonneau
  25. # Count: 7
    Date:
    Observer: Steve Charbonneau
  26. # Count: 1
    Date:
    Observer: Steve Charbonneau
  27. # Count: 1
    Date:
    Observer: Steve Charbonneau
  28. # Count: 2
    Date:
    Observer: Steve Charbonneau
  29. # Count: 4
    Date:
    Observer: Steve Charbonneau
  30. # Count: 1
    Date:
    Observer: Steve Charbonneau
  31. # Count: 1
    Date:
    Observer: Steve Charbonneau
  32. # Count: 1
    Date:
    Observer: Steve Charbonneau
  33. # Count: 1
    Date:
    Observer: Steve Charbonneau
  34. # Count: 1
    Date:
    Observer: Steve Charbonneau
  35. # Count: 1
    Date:
    Observer: Mike Austin
    Location: 18544–18674 Fargo Rd, Chatham-Kent CA-ON 42.29714, -81.94928
  36. # Count: 1
    Date:
    Observer: Mike Austin
    Location: 18544–18674 Fargo Rd, Chatham-Kent CA-ON 42.29714, -81.94928
  37. # Count: 1
    Date:
    Observer: Mike Austin
    Location: 18544–18674 Fargo Rd, Chatham-Kent CA-ON 42.29714, -81.94928
  38. # Count: 1
    Date:
    Observer: Mike Austin
    Location: 18544–18674 Fargo Rd, Chatham-Kent CA-ON 42.29714, -81.94928
  39. # Count: 1
    Date:
    Observer: Mike Austin
    Location: 18544–18674 Fargo Rd, Chatham-Kent CA-ON 42.29714, -81.94928
  40. # Count: 1
    Date:
    Observer: Steve Charbonneau
  41. # Count: 1
    Date:
    Observer: Mike Austin
    Location: 1664–1898 Concession Line 3, Chatham-Kent CA-ON 42.13309, -82.42042
  42. # Count: 1
    Date:
    Observer: Mike Austin
    Location: 1664–1898 Concession Line 3, Chatham-Kent CA-ON 42.13309, -82.42042
  43. # Count: 1
    Date:
    Observer: Steve Charbonneau
    Location: Atlas square 17TMG38 - Chatham-Kent, 17TMG38: 42.30786, -81.84318
  44. # Count: 1
    Date:
    Observer: Steve Charbonneau
  45. # Count: 2
    Date:
    Observer: Steve Charbonneau
  46. # Count: 1
    Date:
    Observer: Steve Charbonneau
  47. # Count: 1
    Date:
    Observer: Ric mcarthur
    Location: my house
  48. # Count: 1
    Date:
    Observer: Ric mcarthur
    Location: my house
  49. # Count: 2
    Date:
    Observer: Ric mcarthur
    Location: my house
  50. # Count: 1
    Date:
    Observer: Ric mcarthur
    Location: my house
  51. # Count: 1
    Date:
    Observer: Ric mcarthur
    Location: my house
  52. # Count: 1
    Date:
    Observer: Ric mcarthur
    Location: my house
  53. # Count: 1
    Date:
    Observer: Ric mcarthur
    Location: my house
  54. # Count: 1
    Date:
    Observer: Ric mcarthur
    Location: my house
  55. # Count: 1
    Date:
    Observer: Ric mcarthur
    Location: my house
  56. # Count: 1
    Date:
    Observer: Ric mcarthur
    Location: my house
  57. # Count: 1
    Date:
    Observer: Ric mcarthur
    Location: my house
  58. # Count: 1
    Date:
    Observer: Ric mcarthur
    Location: my house
  59. # Count: 1
    Date:
    Observer: Ric mcarthur
    Location: my house
  60. # Count: 2
    Date:
    Observer: Ric mcarthur
    Location: my house
  61. # Count: 40
    Date:
    Observer: James Burk
  62. # Count: 1
    Date:
    Observer: Kenneth G.D. Burrell
  63. # Count: 1
    Date:
    Observer: Kenneth G.D. Burrell
  64. # Count: 10
    Date:
    Observer: Kenneth G.D. Burrell
  65. # Count: 2
    Date:
    Observer: Kenneth G.D. Burrell
  66. # Count: 1
    Date:
    Observer: Kenneth G.D. Burrell
  67. # Count: 7
    Date:
    Observer: Kenneth G.D. Burrell
  68. # Count: 1
    Date:
    Observer: Kenneth G.D. Burrell
  69. # Count: 1
    Date:
    Observer: Kenneth G.D. Burrell
    Location: Atlas square 17TMG27 - Erieau--townsite and waterfront
  70. # Count: 5
    Date:
    Observer: Kenneth G.D. Burrell
    Location: Atlas square 17TMG27 - Erieau--townsite and waterfront
  71. # Count: 2
    Date:
    Observer: Steve Charbonneau
    Location: Erieau breakwall
  72. # Count: 2
    Date:
    Observer: Steve Charbonneau
    Location: Erieau breakwall
  73. # Count: 1
    Date:
    Observer: Steve Charbonneau
    Location: Erieau breakwall
  74. # Count: 1
    Date:
    Observer: Ric mcarthur
    Location: my house
  75. # Count: 1
    Date:
    Observer: Steve Charbonneau
    Location: Erieau Marsh Trail
  76. # Count: 1
    Date:
    Observer: Jude Szabo
  77. # Count: 1
    Date:
    Observer: Steve Charbonneau
    Location: Atlas square 17TMG38 - 17TMG38-new
  78. # Count: 1
    Date:
    Observer: Steve Charbonneau
    Location: Atlas square 17TMG38 - 17TMG38-new
  79. # Count: 1
    Date:
    Observer: Jude Szabo
    Location: 18545–18675 Fargo Rd, Chatham-Kent CA-ON 42.29448, -81.94365
  80. # Count: 1
    Date:
    Observer: Nancy Elliot
  81. # Count: 1
    Date:
    Observer: Nancy Elliot
  82. # Count: 1
    Date:
    Observer: Matthew Cowley
    Location: Jeannettes Creek
  83. # Count: 2
    Date:
    Observer: Matthew Cowley
    Location: Jeannettes Creek
  84. # Count: 1
    Date:
    Observer: Ric mcarthur
    Location: my house
  85. # Count: 2
    Date:
    Observer: Jude Szabo
  86. # Count: 50
    Date:
    Observer: Jude Szabo
  87. # Count: 1
    Date:
    Observer: Jude Szabo
  88. # Count: 1
    Date:
    Observer: Steve Charbonneau
  89. # Count: 1
    Date:
    Observer: Steve Charbonneau
  90. # Count: 1
    Date:
    Observer: Steve Charbonneau
  91. # Count: 1
    Date:
    Observer: Christy Obalek
    Location: My yard
  92. # Count: 1
    Date:
    Observer: Allen Woodliffe
    Location: St. Clair NWA
  93. # Count: 3
    Date:
    Observer: Nancy Elliot
  94. # Count: 7
    Date:
    Observer: Steve Charbonneau
  95. # Count: 1
    Date:
    Observer: Steve Charbonneau
  96. # Count: 1
    Date:
    Observer: Steve Charbonneau
  97. # Count: 2
    Date:
    Observer: Greg Cantlon
    Location: Rondeau Provincial Park, Chatham-Kent CA-ON 42.28770, -81.86672
  98. # Count: 1
    Date:
    Observer: Steve Charbonneau
    Location: Erieau breakwall
  99. # Count: 1
    Date:
    Observer: Ric mcarthur
    Location: my house
  100. # Count: 1
    Date:
    Observer: Ric mcarthur
    Location: my house
  101. # Count: 1
    Date:
    Observer: Sam Bechard
  102. # Count: 1
    Date:
    Observer: Steve Charbonneau
  103. # Count: 1
    Observer: Blake Mann
    Location: Wallaceburg-yard
  104. # Count: 2
    Observer: Steve Charbonneau
  105. # Count: 1
    Observer: Steve Charbonneau
  106. # Count: 2
    Observer: Steve Charbonneau
    Location: 6277 Line 9, Chatham-Kent CA-ON (42.2912,-82.2317)
  107. # Count: 8
    Observer: Steve Charbonneau
  108. # Count: 1
    Observer: Eva D'Amico
  109. # Count: 4
    Observer: Eva D'Amico
  110. # Count: 1
    Observer: ellen horak
  111. # Count: 1
    Observer: Ian Shalapata
    Location: Tilbury
  112. # Count: 7
    Observer: Joseph Langlois
  113. # Count: 1
    Observer: Tyler Giesler
    Location: St. Clair NWA
  114. # Count: 1
    Observer: Bill Chan
    Location: mud creek
  115. # Count: 10
    Observer: J B
  116. # Count: 1
    Observer: J B
  117. # Count: 1
    Observer: Blake Mann
  118. # Count: 1
    Observer: Blake Mann
  119. # Count: 1
    Observer: Blake Mann
  120. # Count: 1
    Observer: Ric mcarthur
    Location: my house
  121. # Count: 1
    Observer: Steve Charbonneau
    Location: My house - Erie Beach
  122. # Count: 1
    Observer: kelly-sue o'connor
    Location: 17986 Erieau Rd, Chatham-Kent CA-ON 42.26775, -81.95031
  123. # Count: 1
    Observer: Ric mcarthur
    Location: Rondeau to Erieau beach Lake and Bay 42.26119, -81.89813
  124. # Count: 1
    Observer: Steve Charbonneau
  125. # Count: 2
    Observer: Wendy Skirrow
  126. # Count: 1
    Observer: Wendy Skirrow
  127. # Count: 2
    Observer: Whitney Mortimer
  128. # Count: 1
    Observer: Jack Belleghem
  129. # Count: 1
    Observer: Joshua K Pickering
    Location: Erieau Marsh Trail
  130. # Count: 1
    Observer: Andrea Vuletin
    Location: Erieau Marsh Trail
  131. # Count: 1
    Observer: Fred Grenier
    Location: Two Creeks CA
  132. # Count: 1
    Observer: Philip Skinner
  133. # Count: 1
    Observer: Marcie Jacklin
    Location: Erieau Marsh Trail
  134. # Count: 1
    Observer: Steve Charbonneau
  135. # Count: 2
    Observer: Melanie Delage
  136. # Count: 1
    Observer: Steve Charbonneau
  137. # Count: 2
    Observer: Sterling Sztricsko
  138. # Count: 1
    Observer: Vicki McKay
    Location: Atlas square 17TMG27 - Chatham-Kent, 17TMG27: 42.26372, -81.95096
  139. # Count: 15
    Observer: Vicki McKay
    Location: Atlas square 17TMG27 - Chatham-Kent, 17TMG27: 42.26372, -81.95096
  140. # Count: 1
    Observer: Donald Pye
  141. # Count: 1
    Observer: Scott Walters
  142. # Count: 1
    Observer: Paul Nicholson
    Location: Angler Line and on water
  143. # Count: 1
    Observer: George Prieksaitis
  144. # Count: 1
    Observer: Sterling Sztricsko
  145. # Count: 1
    Observer: Ankur Khurana
  146. # Count: 15
    Observer: Mario Rochon Louise Cléroux
    Location: 3382–3498 Concession Line 2, Chatham-Kent CA-ON 42.16584, -82.30006
  147. # Count: 1
    Observer: Spring Reilly
    Location: Erieau Marsh Trail
  148. # Count: 1
    Observer: kelly-sue o'connor
  149. # Count: 1
    Observer: George Prieksaitis
    Location: Erieau Marsh Trail
  150. # Count: 1
    Observer: George Prieksaitis
    Location: 11671 Talbot Trail, Blenheim, Ontario, CA (42.366, -81.882)
  151. # Count: 1
    Observer: Hans Fischer
  152. # Count: 1
    Observer: Amalie + Jeffrey Hutchinson
  153. # Count: 3
    Observer: Hélène Bellemare
  154. # Count: 1
    Observer: Jeremy Logan
    Location: Erieau Marsh Trail
  155. # Count: 1
    Observer: Isma Giralt
    Location: Rose Beach Line, Rose Beach, Chatham-Kent CA-ON
  156. # Count: 1
    Observer: Blake Mann
  157. # Count: 3
    Observer: Bill Chan
  158. # Count: 1
    Observer: Peter Darcy
    Location: Erieau Marsh Trail
  159. # Count: 1
    Observer: Jeremy Logan
  160. # Count: 1
    Observer: Jacquie Montgomery
    Location: Marsh Trail, Morpeth, Ontario, CA (42.294, -81.862)
  161. # Count: 1
    Observer: Jon P. Ruddy
    Location: CK—Erie Beach—Luis Lookout
  162. # Count: 1
    Observer: Steve Proud
  163. # Count: 1
    Observer: Virginia Fairchild
  164. # Count: 1
    Observer: Jeremy Logan
  165. # Count: 1
    Observer: Linda Sullivan
  166. # Count: 1
    Observer: Sébastien Langlois
  167. # Count: 1
    Observer: Joshua Vandermeulen
  168. # Count: 1
    Observer: Joshua Vandermeulen
  169. # Count: 1
    Observer: Joshua Brown
  170. # Count: 1
    Observer: Jeremy Logan
  171. # Count: 1
    Observer: Ben Taylor
  172. # Count: 1
    Observer: Paul Martin
  173. # Count: 1
    Observer: Annette Lambert
  174. # Count: 1
    Observer: Tim Logan
  175. # Count: 1
    Observer: Diane Bédard
    Location: 2583 2nd Concession Line, Coatsworth, Ontario, CA (42,153, -82,366)
  176. # Count: 1
    Observer: Alan Sankey COHL
    Location: Zion Road, Wheatley, Ontario, CA (42,113, -82,409)
  177. # Count: 1
    Observer: Kevin Gevaert
  178. # Count: 1
    Date:
    Observer: Kevin Seymour
  179. # Count: 1
    Date:
    Observer: Max Segler
  180. # Count: 1
    Date:
    Observer: Jacquie Montgomery
    Location: East McGeachy Pond Trail
  181. # Count: 1
    Date:
    Observer: Brett Fried
  182. # Count: 1
    Date:
    Observer: Morgan O'Brien
    Location: South Kent, Chatham-Kent CA-ON
  183. # Count: 1
    Observer: Dolan Bohnert
  184. # Count: 1
    Observer: Brandon Holden
  185. # Count: 2
    Observer: Steve Charbonneau
  186. # Count: 1
    Observer: Steve Charbonneau
    Location: Talbot Trail and Stevenson Rd 2024 SWHA
  187. # Count: 1
    Observer: J B
  188. # Count: 1
    Observer: Brandon Holden
  189. # Count: 2
    Observer: Ric mcarthur
    Location: my house
  190. # Count: 1
    Observer: Rick Szabo
  191. # Count: 1
    Observer: Blake Mann
    Location: Sensitive Species General Location
  192. # Count: 1
    Date:
    Observer: David Parratt
    Location: 18542 Raglan Rd, Chatham-Kent CA-ON 42.30715, -81.91417
  193. # Count: 2
    Date:
    Observer: Baxter Naday
    Location: St. Clair NWA
  194. # Count: 3
    Date:
    Observer: Blake Mann
  195. # Count: 1
    Observer: James Burk
    Location: 20868–20898 County Road 4, Chatham-Kent CA-ON 42.15535, -82.34060
  196. # Count: 1
    Observer: Kit McCann
  197. # Count: 1
    Observer: Steve Charbonneau
    Location: Vantel Construction Pit, Front Line
  198. # Count: 1
    Observer: Allen Woodliffe
    Location: Dover Twp, general location
  199. # Count: 1
    Date:
    Observer: James Burk
  200. # Count: 1
    Observer: Bill Lindley
    Location: Euphemia Line & Zone Rd 7
  201. # Count: 1
    Observer: Christy Obalek
  202. # Count: 1
    Observer: Brett Fried
  203. # Count: 1

Exotic: Provisional (1)

  1. # Count: 2
    Date:
    Observer: Steve Charbonneau
    Location: 18094–18182 Erieau Rd, Chatham-Kent CA-ON (42.2713,-81.9578)

Exotic: Escapee (3)

  1. # Count: 2
    Observer: Blake Mann
    Location: Baldoon Road at Creek
  2. # Count: 1
    Observer: Jeff Skevington
    Location: Atlas square 17TLH80 - Chatham-Kent, 17TLH80: 42.45230, -82.41159
  3. # Count: 2
    Observer: Kevin Gevaert
    Location: 11474 New Scotland Line, Chatham-Kent CA-ON (42.3461,-81.8730)

Hybrids (4)

  1. Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripes
    # Count: 1
    Observer: Kevin Gevaert
  2. Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)
    # Count: 1
    Observer: J B
  3. Eurasian x American Wigeon (hybrid) Mareca penelope x americana
    # Count: 1
    Date:
    Observer: Steve Charbonneau
  4. Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acuta
    # Count: 1
    Date:
    Observer: James Burk
    Location: Jeannette's Creek (general location)

Additional Taxa (43)

  1. gull sp. Larinae sp.
    # Count: 2
    Date:
    Observer: Ric mcarthur
    Location: my house
  2. duck sp. Anatidae (duck sp.)
    # Count: 1
    Observer: Steve Charbonneau
  3. blackbird sp. Icteridae sp.
    # Count: 2
    Observer: Ric mcarthur
    Location: my house
  4. shorebird sp. Charadriiformes sp.
    # Count: 48
    Observer: Joshua K Pickering
  5. peep sp. Calidris sp. (peep sp.)
    # Count: 24
    Observer: Marcie Jacklin
    Location: Erieau Marsh Trail
  6. Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/traillii
    # Count: 2
    Observer: Steve Charbonneau
    Location: Erieau Marsh Trail
  7. Catharus sp. Catharus sp.
    # Count: 1
    Observer: Jonathan Wilhelm
  8. hawk sp. Accipitridae sp. (hawk sp.)
    # Count: 1
    Observer: Brian Smith
    Location: Fargo Road
  9. Downy/Hairy Woodpecker Dryobates pubescens/villosus
    # Count: 1
    Observer: Brian Smith
    Location: Fargo Road
  10. tern sp. Sterninae sp.
    # Count: 10
    Observer: Sterling Sztricsko
  11. Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanoptera
    # Count: 1
    Observer: Reuven Martin
  12. passerine sp. Passeriformes sp.
    # Count: 6
    Observer: Jeremy Logan
    Location: Erieau Marsh Trail
  13. swallow sp. Hirundinidae sp.
    # Count: 5
    Observer: Jeremy Logan
  14. new world warbler sp. Parulidae sp.
    # Count: 6
    Observer: Jeremy Logan
  15. swan sp. Cygnus sp.
    # Count: 1
    Observer: Ron Bonner
    Location: Erieau Marsh Trail
  16. Empidonax sp. Empidonax sp.
    # Count: 1
    Observer: Allen Woodliffe
  17. Domestic goose sp. (Domestic type) Anser sp. (Domestic type)
    # Count: 1
    Observer: Dave Currie
  18. new world sparrow sp. Passerellidae sp.
    # Count: 2
    Observer: Tim Logan
  19. new world flycatcher sp. Tyrannidae sp.
    # Count: 1
    Observer: Sébastien Langlois
  20. Philadelphia/Red-eyed Vireo Vireo philadelphicus/olivaceus
    # Count: 1
    Observer: Brett Fried
  21. woodpecker sp. Picidae sp.
    # Count: 1
    Observer: Jeremy Logan
  22. Greater/Lesser Scaup Aythya marila/affinis
    # Count: 50
    Observer: Ryan Leys
    Location: Erieau Marsh Trail
  23. loon sp. Gavia sp.
    # Count: 1
    Observer: Bridget Hribljan
  24. Lesser/Greater Yellowlegs Tringa flavipes/melanoleuca
    # Count: 2
    Observer: Lucas Liu
    Location: 18561-18709 Fargo Road, Blenheim, Ontario, CA (42.294, -81.944)
  25. Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceus
    # Count: 1
    Observer: Jeremy Logan
  26. Buteo sp. Buteo sp.
    # Count: 1
    Observer: Kevin Gevaert
  27. falcon sp. Falco sp.
    # Count: 1
    Observer: Craig Anderson
  28. heron sp. Ardeidae sp.
    # Count: 1
    Observer: Cheryl Burnett
    Location: Wheatley Provincial Park, Chatham-Kent CA-ON 42.08775, -82.44113
  29. Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmus
    # Count: 1
    Observer: Nathan Miller
  30. Mallard/American Black Duck Anas platyrhynchos/rubripes
    # Count: 1
    Date:
    Observer: George Prieksaitis
  31. new world martin sp. (Progne sp.) Progne sp.
    # Count: 1
    Date:
    Observer: Kiah R. Jasper
  32. Common/Red-breasted Merganser Mergus merganser/serrator
    # Count: 150
    Date:
    Observer: Marilyn Ohler
    Location: Lakeshore road, Rondeau PP
  33. Philadelphia/Warbling Vireo Vireo philadelphicus/gilvus
    # Count: 1
    Date:
    Observer: Dave Bennett
  34. wren sp. Troglodytidae sp.
    # Count: 1
    Date:
    Observer: James Burk
  35. rail/crake sp. Rallidae sp. (rail/crake sp.)
    # Count: 1
    Date:
    Observer: Laurena K-L
  36. Glossy/White-faced Ibis Plegadis falcinellus/chihi
    # Count: 1
    Date:
    Observer: Blake Mann
  37. Aythya sp. Aythya sp.
    # Count: 30
    Date:
    Observer: Brett Fried
  38. Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperii
    # Count: 1
    Date:
    Observer: Dean Post
  39. Black-bellied Plover/golden-plover sp. Pluvialis sp.
    # Count: 50
    Observer: Craig Anderson
  40. Acanthis/Spinus sp. Acanthis/Spinus sp.
    # Count: 4
    Observer: Ric mcarthur
    Location: my house
  41. scoter sp. Melanitta sp.
    # Count: 1
    Observer: Reuven Martin
    Location: Erieau Marsh Trail
  42. owl sp. Strigiformes sp.
    # Count: 1
    Observer: Blake Mann
  43. House/Purple Finch Haemorhous mexicanus/purpureus
    # Count: 2
    Observer: Rob Adamson
    Location: 72 Matier Ave, Wheatley CA-ON 42.10366, -82.46434