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Class Aves: Feathers. 25. BIRDS AND DINOSAURS. http://www.csicop.org/uploads/images/si/ph21.gif. 26. 27. ORIGIN OF FEATHERS: BIRDS. Archaeopteryx. ORIGIN OF FEATHERS: DINOSAURS. Caudipteryx , China, late Jurassic / early Cretaceous. Feathers. 2. WHY?. Why?. 52. Keratin.

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slide2

BIRDS AND DINOSAURS

http://www.csicop.org/uploads/images/si/ph21.gif

26

27

slide4

ORIGIN OF FEATHERS: DINOSAURS

Caudipteryx, China, late Jurassic / early Cretaceous

slide8

Keratin

Alpha-Keratin

Beta-Keratin

slide9

Keratin

Beta-Keratin

Alpha-Keratin

slide10

Pterylae

Fig. 3-1 in Podulka et al. 2004

slide14

Feather Structure

(Outer Vane, Inner Vane, Shaft)

1

slide15

Feather Vane Symmetry

Fig. 3-3 in Podulka et al. 2004

slide18

Vane Symmetry

Archaeopteryx (Jurassic Period)

3

slide20

Shaft: Calamus (Quill)

Proctor and Lynch 1993, p. 83

slide21

Shaft: Rachis

Proctor and Lynch 1993, p. 83

slide22

Vane Structure: Barbs

Velcro

(Barb = a) Ramus, b) Barbules, c) Barbicels = Hooklet)

Fig. 4-1 in Gill 2007

slide24

Feather Types

Contour Feathers

http://askabiologist.asu.edu/research/bird_feathers/images/feather_types.jpg

slide25

I) Contour Feathers

Fig. 1-10 in Podulka et al. 2004

1

slide28

Contour Feathers:

Remiges, Rectrices

Fig. 3-7 in Podulka et al. 2004

slide29

Regions of Contour Feather Vane

Pennaceous, Plumulaceous

slide30

Silent Owl Flight

Fig. 3-12 in Podulka et al. 2004

slide31

Silent Owl Flight

http://drawingthemotmot.files.wordpress.com/2009/02/img_5589.jpg

slide34

Contour Feather Structure

Shaft

Vane

Symmetric Vane

Asymmetric Vane

Calamus

Aftershaft = Afterfeather

Rachis

Pennaceous Vane

Plumulaceous Vane

Barb

Ramus

Distal Barbules

Proximal Barbules

Barbicels = Hooklets

1

slide40

37

36

35

slide43

1

IV)

46

slide45

VI) Bristles

50)

Fig. 3-14 in Podulka et al. 2004

51)

slide46

Contour

Down

a) Natal Down

b) Body Down

Semiplume

Filoplume

Powder Down

Bristles

Feather Types:

slide47

Origin of Feathers?

“Evo Devo”: Evolution of Feathers Parallels Stages of Feather Development

slide48

Next: Feather Development

Fig. 3-25 in Podulka et al. 2004

slide49

1 http://www1.istockphoto.com/file_thumbview_approve/120142/2/

istockphoto_120142_eagle_s_feather.jpg

2 http://www.coincommunity.info/coin/0250/1912_obverse.gif

3 http://cas.bellarmine.edu/tietjen/images/Archaeopteryx0.jpg

4 http://cas.bellarmine.edu/tietjen/images/Archaeopteryx0.jpg

5 http://www.seaworld.org/animal-info/info-books/penguin/images/

pic-feathers.jpg

6 http://www.polarcruises.com/Images/art_Penguins_emperor_and_chick.jpg

7 http://people.eku.edu/ritchisong/554images/archaeopteryx_5.jpg

8 http://www.flyanglersonline.com/flytying/fotw2/hn4.jpg

9 http://www.interaktv.com/BIRDNET/featherwaftershftBd1898.GIF

10 http://i.pbase.com/u10/norman/upload/902851.eaglefeather.jpg

slide50

11 http://www.naturalsciences.org/education/treks/bonanza/images/Owl-feather.jpg

12 http://globalflyfisher.com/staff/luallen/new_anatomy.gif

13 http://www.sialis.org/images/tres_babies_size_difference.jpg

14 http://orn-lab.ekol.lu.se/birdmigration/standalone/flightlab/image/knotwing.jpg

15 http://www.mountvernon.org/images/store/MV_37MED.jpg

16 http://cache.viewimages.com/xc/3203778.jpg?v=1&c=ViewImages&k

=2&d=C037F202D99E3099AB0670069F64B336A55A1E4F32AD3138

17 http://www.ics.uci.edu/~eppstein/pix/sdwap/GoldenEagle.html

18 http://www.bigcountryaudubon.org/wp-content/uploads/2006/05/

JAE_Painted_Bunting_Closeup.jpg

19 http://www.polarcruises.com/Images/art_Penguins_emperor_and_chick.jpg

slide51

20 http://www.polarcruises.com/Images/art_Penguins_emperor_and_chick.jpg

21 http://www.tolweb.org/tree/ToLimages/ostrich_fam.jpg

22 http://www.core77.com/reactor/images/04.05_combover.jpg

23 http://www.hik.hu/tankonyvtar/site/books/b10026/images/00034.jpg

24 http://farm1.static.flickr.com/55/166784720_f70028c519.jpg

25 http://www.saveamericasforests.org/Yasuni/Pics/Hoatzin-.jpg

26 http://pix.alaporte.net/pub/d/6720-1/Aqua+32+-+Scaly+Lizard.JPG

27 http://www.birdersworld.com/objects/images/brdpw050711(1).jpg

28 http://www.nikonsmallworld.com/images/gallery2005/fourbythree/

4831_velcro-entry-1.jpg

29 http://www.bourkes-parakeet.nl/media/f-down

30 http://www.epa.qld.gov.au/images/nature_conservation/wildlife/

caring/birds_image_17.jpg

slide52

31 http://www.davidnorman.org.uk/MRG/Barn%20Owls%203%20Jul%

2004/BAROW%20chick%20(down)%20(357%20x%20600).jpg

32 http://www.hiltonpond.org/images/OwlGreatHornedDown01.jpg

33 http://www.tinywingsinneed.us/rescues/wildbirds/bluejays.jpg

34 http://www.fcps.edu/islandcreekes/ecology/blue_jay.htm

35 http://www.dkimages.com/discover/previews/888/75001018.JPG

36 http://www.bbc.co.uk/tyne/content/images/2006/10/19/24647_470x314.jpg

37 http://alaska.usgs.gov/science/biology/avian_influenza/species/images/

COEI_JWasley.jpg

38 http://images.google.com/imgres?imgurl=http://www.biosci.ohio-state.edu/~jcondit/images/class_images/feathers/down_feather200.jpg&imgrefurl=http://www.biosci.ohio-state.edu/~jcondit/current/feathers/feathers_main.htm&h=167&w=200&sz=3&hl=en&start=62&um=1&tbnid=-7T9FyzzU2d4NM:&tbnh=87&tbnw=104&prev=/images%3Fq%3Ddown%2Bfeathers%26start%3D60%26ndsp%3D20%26svnum%3D10%26um%3D1%26hl%3Den%26safe%3Dactive%26rls%3DGGLR,GGLR:2006-17,GGLR:en%26sa%3DN

slide53

39 http://animal.discovery.com/guides/wild-birds/gallery/mallard_duck.jpg

40 http://animals.nationalgeographic.com/staticfiles/NGS/Shared/StaticFiles/animals

/images/primary/common-loon.jpg

41 http://www.nunatakusa.com/images/gear%20etc/SleepLight-220.jpg

42 http://img.trade.tootoo.com/photo/products-415758/Waterproof_Down_

Jacket.jpg

43 http://upload.wikimedia.org/wikipedia/commons/thumb/9/9b/Red-tailed

_Hawk_Buteo_jamaicensis_Full_Body_1880px.jpg/543px-Red-

tailed_Hawk_Buteo_jamaicensis_Full_Body_1880px.jpg

44 http://www.penguins.cl/penguin/gentoo-penguins.jpg

45 http://www.biosci.ohio-state.edu/~jcondit/images/class_images/

feathers/semiplume_feather200.jpg

46 http://www.paulnoll.com/Oregon/Birds/feather-filoplume.jpg

slide54

47 http://images.google.com/images?q=powder+down+feather&svnum=

10&um=1&hl=en&safe=active&rls=GGLR,GGLR:2006-17,GGLR:en&start

=20&sa=N&ndsp=20

48 http://depts.washington.edu/natmap/photos/birds/great_blue_heron_6488c_tfk.jpg

49 http://www.birding.in/images/Birds/rock_pigeon.jpg

50 http://www.wbu.com/chipperwoods/images/ar9.jpg

51 http://www.carolinanature.com/pix/panama/piedpuffbird8161.jpg

52 http://water.usgs.gov/nwsum/WSP2425/images/fig33.jpeg

53 http://www.dkimages.com/discover/previews/857/45057960.JPG

54 http://www.houstonzoo.org/attachments/wysiwyg/3/rhinohorns.jpg

55 http://www.wbu.com/chipperwoods/images/nflicker7.jpg

56 http://www.wbu.com/chipperwoods/images/nflicker6.jpg

slide55

57 http://farm1.static.flickr.com/68/173474511_82060b496b.jpg

58 http://abstractsofnature.com/blog/wp-content/uploads/birds/

smew-preening.jpg

59 http://www.geocities.com/lastfarm/actias_luna.jpg