Bird list for January 31, 2013, for walk at Delta Ponds, by Goodpasture Island Rd., 9-11:30 a.m. 1. Pied billed grebe 2. Double crested cormorant 3. Canada goose 4. Cackling goose 5. Wood duck 6. Great blue heron 7. Mallard 8. Gadwall 9. Green-winged teal 10. American wigeon 11. Northern shoveler 12. Ring necked duck 13. Bufflehead 14. Ruddy duck 15. Bald eagle 16. Red tailed hawk 17. American coot 18. Gull, (light mantle, no black wing tips, glaucous-winged?) 19. Gull, (black wing tips, Western? Herring?) 20. Black phoebe 21. Scrub jay 22. American crow 23. Black capped chickadee 24. European starling 25. Yellow rumped warbler 26. Song sparrow 27. Golden crowned sparrow 28. Red winged blackbird 29. House finch 30. Northern flicker