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Avian Response to Changing Seasons Common Poorwill.

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Presentation on theme: "Avian Response to Changing Seasons Common Poorwill."— Presentation transcript:

1 Avian Response to Changing Seasons Common Poorwill

2 Avian Response to Changing Seasons Grace’s Warber American RobinWhite-Breasted Nuthatch

3 Avian Response to Changing Food Supply

4 Avian Response to Drought, Flooding

5 “Extreme Migration”

6 “Neotropical Migrants” Wood WarblersOrioles Grosbeaks Hummingbirds Tanagers Vireos Flycatchers Hawks Vultures

7 “Neotropical Migrants” Blackpoll Warbler

8 “Short-Distance Migrant” Brewer’s Sparrow

9 “Vertical Migration”

10 Fig. 5-53 in Podulka et al. 2004 MIGRATION STRATEGIES

11 4 5 1) Obligate Annual Migrants (e.g., Neotropical Migrant) Bird Migration Strategy:

12 20 21 Migratory Strategy: 2) Permanent Resident

13 35 36 Facultative and Obligatory Partial Migrants Obligatory Facultative Bird Migration Strategies 3 & 4:

14 18 Bird Migration Strategy 5: Irruptive Migration

15 1993199419951996

16 11 12 Bird Migratory Strategy 6: Nomadic Migration

17 Fig. 5-53 in Podulka et al. 2004

18 20 Origins of Migration? (Climatic Change) “Returning Home”

19 28 29 Origins of Migration? (Lack of Needed Resources)

20 26 Origins of Migration? (Seasonal Intraspecific Dominance Interactions) 27 Blackcap

21 Origins of Migration? (Seasonal Interspecific Dominance Interactions)

22 Origins of Migration? (Tracking of Fruit or Nectar)

23 Which Explanation is Most Plausible?

24

25 Situation OneSituation Two Resident Migrant Migration and Natural Selection

26 Migratory Flexibility Original, Sedentary Populations Introduction in 1950s

27 35 37 Genetic Basis for Migration?

28 Fig. 5-55 in Podulka et al. 2004 Variation in Migratory Strategy in Blackcap Populations

29 Fig. 5-57 in Podulka et al. 2004 Determining Migratory Direction via Migratory Restlessness

30 Fig. 5-56 in Podulka et al. 2004 Results of Hybridization Experiments I

31 Fig. 5-58 in Podulka et al. Results of Hybridization Experiments II

32 1 http://www.nature.org/wherewework/northamerica/lewisandclark/images/ ponderosa_pine_oregon_charlie_ott.jpg 2 http://www.wfo-cbrc.org/cbrc/photos/grace's-pt-loma-110505-a-2.jpg 3 http://www.nps.gov/band/naturescience/images/ponderosa_forest.jpg 4 http://www.borealbirds.org/web_mig_map/images/blackpoll_warbler/ map-mid.jpg 5 http://upload.wikimedia.org/wikipedia/commons/thumb/a/a3/ Steller's_Jay as_Seen_from_the_Back.jpg/800px-Steller's_Jay_as_ Seen_from_the_Back.jpg 6 http://www.christinevadai.com/STJA4.jpg 7 http://www.truthorconsequencesnm.net/us_forest/mogollon-mts-o.jpg 8 http://thebirdguide.com/digiscoping/photos/IMG_8158_northern_shoveler.jpg 9 http://www.schmoker.org/BirdPics/Photos/Waterfowl/NSHO6.jpg

33 10 http://map.telesis.org/new.gif 11 http://dwrcdc.nr.utah.gov/rsgis2/images/Photos/loxicurv.jpg 12 http://wwp.greenwichmeantime.com/images/usa/new-mexico.jpg 13 http://imagecache2.allposters.com/images/pic/PTGPOD/349625~Great-Gray- Owl-Rowley-MA-Posters.jpg 14 http://photo.net/bboard-uploads/00BMo5-22167884.jpg 15 http://www.winterweather.state.mn.us/images/snow_5_big.jpg 16 http://www.winterweather.state.mn.us/images/snow_5_big.jpg 17 http://iz.carnegiemnh.org/crayfish/images/minnesota.jpg 18 http://iz.carnegiemnh.org/crayfish/images/minnesota.jpg 19 http://imagecache2.allposters.com/images/pic/PTGPOD/349625~Great-Gray-Owl- Rowley-MA-Posters.jpg 20 http://www.birdsource.org/gbbc/gallery/2007/wesjay_rogers-j_ca-lr.jpg/image _preview

34 21 http://rosyfinch.com/KilldeerAdultWithChick.jpg 22 http://www.birdsamore.com/_images/hummingbird-rufous_350.jpg 23 http://www.birdwatching-bliss.com/images/broad_tailed_hummingbird.jpg 24 http://www.alanmurphyphotography.com/Galleryimagesfromemail/B lack-Chinned-Hummingbird.jpg 25 http://www.tpwd.state.tx.us/huntwild/wild/species/mockbird/ 26 http://www.statesymbolsusa.org/IMAGES/Texas/mockingbird_detwiler_web.jpg 27 http://www.geneticarchaeology.com/Images/South_Hills_Crossbill.jpg 28 http://www.calliebowdish.com/Birds/PRedstartNov252006-29.jpg 29 http://www.strayreality.com/image1/toucaneat3.jpg 30 http://www.naturalist.co.uk/photos/crimsoncollared_tanager.jpg 32 http://www.tropicalexpeditions.com/images/Silver-throated%20Tanager.jpg 31 http://www.saveamericasforests.org/Yasuni/Pics/Biodiversity/MaskedCrimson Tanager9.jpg

35 33 http://www.localization-translation.com/images/maps/map-localization-south- america.jpg 34 http://www.naturalsciences.org/education/Ecuador/2007/images/008_ Blue-winged%20Mountain%20Tanager.jpg 35 http://www.naturephoto-cz.com/photos/sevcik/blackcap--sylvia-atricap illa-1.jpg 36 http://www.roysephotos.com/zzAmericanRobin8D.jpg 37 http://static.howstuffworks.com/gif/dna-2.jpg

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