Step #1
Start the work by drawing two ovals & a tiny line as shown.
Step #2
Draw outline for beak, wing, tail & neck.
Step #3
Make head & eye.
Step #4
Draw outline for body.
Step #5
Make shape for the upper body.
Step #6
Make tail.
Step #7
Make legs & feet.
Step #8
Draw curve lines over the bottom portion of the body.
Step #9
Make retinas & small rounded shapes over the body as shown.
Step #10
Make base as shown.
Step #11
Finally, make necessary improvements to finish.
How to Draw a Passenger Pigeon with Color Pencils [Time Lapse]