Grebes2
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Presentation and photographs of the grebes of Lake Hodges, part of the San Dieguito River Preserve in San Diego County.
Grebes2
- 1. Two Species: Western & Clark's Cross-breeding Mating rituals Fighting Nesting Second Brood Ferrying and feeding young Presentation and Photography by Robert Harrington The Grebes of Lake Hodges
- 2. A word about the photography All photos taken with a Nikon D300 digital SLR Lens: 200-400mm AF-S Nikkor f/4 IF-ED VR with 1.4x teleconverter* All photos were taken handheld with aid of Bushhawk shoulder mount* Many photos taken from the footbridge Others taken from Bernardo Bay and Piedras Pintadas Trails *Scenery photo taken with Nikkor 18-70mm f/3.5-4.5 AF-S Lens at 18mm
- 3. Clark's Grebe ¨C Note white envelops eye Male and female look alike (but they can tell)
- 4. Western Grebe ¨C Note black around eye
- 5. Western (l) and Clark's (r) Grebes
- 6. Mating Rituals Clark's Grebes (and Western, I assume) mate for life They renew their bonds by food exchange and two types of rituals: The Rushing Ceremony, and The Weed Ceremony
- 9. Rushing Ceremony - finish
- 10. Rushing Ceremony ¨C miscue
- 11. In flight - almost
- 12. The Weed Ceremony where they pick up and hold weeds (Clark's) ¨C Jan 12, 2010
- 13. The Weed Ceremony ¨C Western Grebes March 2, 2011
- 14. Nesting ¨C Nests are built on small islands
- 15. Ferrying and Feeding Young Young ride on the backs of both parents As many as four at a time Parents catch fish to feed young Sometimes fish are too large for young to swallow Young grow to full size in a few weeks They continue to beg even when full grown
- 16. Ferrying young
- 17. Ferrying young
- 18. Getting dumped
- 19. Both parents ferry young
- 20. Babies on back
- 21. Feeding
- 22. Feeding
- 23. Feeding young
- 24. Feeding young ¨C hm, too big?
- 25. Feeding young ¨C Clark's
- 26. Feeding young ¨C even almost full grown
- 27. Feeding young and not-so-young
- 28. Cross breeding, Clark's and Western Grebes
- 29. Cross breeding, Clark's and Western Grebes
- 30. Clark's vs. Western Grebe Fight 7 slides
- 31. Grebe Fight ¨C Clark's chasing
- 32. Grebe Fight - Face-off
- 33. Grebe Fight ¨C Clark's lunges...
- 34. Grebe Fight ¨C and misses
- 35. Grebe Fight ¨C Chase resumes
- 36. Grebe Fight ¨C Western turns
- 37. Grebe Fight ¨C table turned
- 38. Second brood of 2011 ¨C May 14, 2011
- 39. The End