biomedicalephemera: McCormick’s Skua - Feet 1. Nestling, right after hatching2. Nestling, two to three weeks old3. Juvenile, around the time of downy feather shedding4. Normal adult5. Piebald morph of adult - Juvenile coloring retained, with adult feathering National Antarctic Expedition 1901-1904: Natural History - Vol II. Zoology. The Order of Trustees of the British Museum, 1907.

biomedicalephemera:

McCormick’s Skua - Feet

1. Nestling, right after hatching
2. Nestling, two to three weeks old
3. Juvenile, around the time of downy feather shedding
4. Normal adult
5. Piebald morph of adult - Juvenile coloring retained, with adult feathering

National Antarctic Expedition 1901-1904: Natural History - Vol II. Zoology. The Order of Trustees of the British Museum, 1907.

♥ 209 skua feet birds animals art illustration science scientific illustration natural history natural history illustration zoology drawing detail
  1. skallan reblogged this from biomedicalephemera
  2. fucktherules-beyourself reblogged this from drawingdetail
  3. l-v-t-g reblogged this from cinoh
  4. cryrabbitcry reblogged this from cinoh
  5. cinoh reblogged this from drawingdetail and added:
    McCormick’s Skua - Feet 1. Nestling, right after hatching 2. Nestling, two to three weeks old 3. Juvenile, around the...
  6. kieoke reblogged this from biomedicalephemera
  7. greatplates reblogged this from drawingdetail
  8. gentlebranches reblogged this from drawingdetail
  9. drawingdetail reblogged this from biomedicalephemera
  10. avoidanceof reblogged this from knockingghosts
  11. chinchinandmuckmuck reblogged this from knockingghosts
  12. wur-lee reblogged this from knockingghosts
  13. knockingghosts reblogged this from biomedicalephemera
  14. currentlycantthinkofaname reblogged this from dendroica
  15. h-y-p-e-r-d-o-n-t-i-a reblogged this from witchlings
  16. tokyo333 reblogged this from witchlings
  17. witchlings reblogged this from drtuesdaygjohnson
  18. wolffeeder reblogged this from dendroica
  19. dendroica reblogged this from scientificillustration
  20. krimija reblogged this from unnaturalist
  21. xxycontrol reblogged this from drtuesdaygjohnson
  22. drtuesdaygjohnson reblogged this from mudwerks
  23. darkclots reblogged this from scientificillustration
  24. paperblotter reblogged this from paperarrow
  25. nefarious-oblivions reblogged this from tsundereprince
  26. galgomon reblogged this from tsundereprince
  27. thelovelyhaze reblogged this from did-not
  28. thephysicalisanillusion reblogged this from unnaturalist and added:
    McCormick’s Skua - Feet 1. Nestling, right after hatching 2. Nestling, two to three weeks old 3. Juvenile, around the...
  29. did-not reblogged this from scientificillustration
  30. steinerneslicht reblogged this from unnaturalist
  31. toefungi reblogged this from crane-wife