Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.
Upcoming SlideShare
Migratory birds
Next
Download to read offline and view in fullscreen.

Share

Flightless birds and Migration of birds

Download to read offline

These slides includes pictures of flightless birds and migration of birds in different seasons

Flightless birds and Migration of birds

  1. 1. Flightless birds and Migration of birds Sana Ahmed Roll no. 22
  2. 2. Flightless birds • • • • • Also called Running birds- lack ability to fly Have smaller wings Keel absent Easiest to take care in captivity More feathers than flying birds
  3. 3. Examples of Flightless birds.. Ostrich (Struthio camelus)
  4. 4. Emu (Dromaius novaehollanidae)
  5. 5. Kiwi (Apteryx australis)
  6. 6. Cassowary (Casuarius bennetti)
  7. 7. Rhea (Rhea americana)
  8. 8. Penguin (Pygosclis papua)
  9. 9. Flightless cormorant (Phalacrocorax harrisi)
  10. 10. Kakapo (Strigops habroptilus)
  11. 11. Migration of birds • Flying birds do seasonal migration • First recorded 3000 years ago by ancient Greek authors Homer and Aristotle • Migratory birds pay high costs in predation and mortality • Time of migration is controlled by different environmental changes
  12. 12. Types of migration •Short distance migration •Long distance migration
  13. 13. Short distance migration Merlin Pied thrush
  14. 14. Wallcreeper Woodland Kingfisher
  15. 15. Long distance migration Arctic tern Humming bird
  16. 16. Warbler Wader
  17. 17. Migration triggers • • • • • Changes in day length Changes in food supplies Lower temperature Genetic predisposition Hormonal changes
  18. 18. Threats to migratory birds
  19. 19. Conservation
  • MonikaRajawat3

    May. 13, 2021
  • MansiBhati3

    Feb. 26, 2021
  • ChandrakalaHosalli

    Jan. 15, 2021
  • RashidKhan456

    Jan. 4, 2021
  • BholeShankar4

    Jul. 25, 2020
  • HarshadaPatil71

    Apr. 28, 2020
  • Vidhyaananth26

    Mar. 24, 2019
  • ammaraiqbal6

    Nov. 13, 2018
  • NehalNagpure1

    Sep. 7, 2018
  • usmanghaffar6

    Oct. 6, 2017
  • IbrahimKhan102

    Mar. 26, 2017

These slides includes pictures of flightless birds and migration of birds in different seasons

Views

Total views

4,297

On Slideshare

0

From embeds

0

Number of embeds

26

Actions

Downloads

98

Shares

0

Comments

0

Likes

11

×