Two Harbors Nest History, Catalina Island, California

2024 Season:

Adult Male K-81 (aka Chase) was produced by captive eagles at the San Francisco Zoo and fostered to the West End nest on Catalina in 1998.

Adult Female K-82 (aka Cholyn) hatched in incubator at SF Zoo from egg removed from the West End nest on Catalina in 1998. Fostered to Pinnacle Rock nest on Catalina.

2/22: Laid egg around 2220. Expected hatch around 3/30.

2023 Season:

Adult Male K-81 (aka Chase) was produced by captive eagles at the San Francisco Zoo and fostered to the West End nest on Catalina in 1998.

Adult Female K-82 (aka Cholyn) hatched in incubator at SF Zoo from egg removed from the West End nest on Catalina in 1998. Fostered to Pinnacle Rock nest on Catalina.

2/28: Laid first egg around 20:19. Estimated hatch date is 4/6

3/4: Laid second egg around 18:14. Estimated hatch date is 4/8.

3/21: One egg broke in morning.

4/7: Chick hatched around 14:15.

2022 Season:

 Adult Male K-81 (aka Chase) was produced by captive eagles at the San Francisco Zoo and fostered to the West End nest on Catalina in 1998.

 Adult Female K-82 (aka Cholyn) hatched in incubator at SF Zoo from egg removed from West End nest on Catalina in 1998. Fostered to Pinnacle Rock nest on Catalina.

 2/23: First egg laid in evening. Expected hatch 4/2-4/3.

 3/1: Second egg laid in evening. Expected hatch 4/6.

 3/5: One egg broke overnight.

 4/6: Chick hatched in morning.

 4/26: Rescued chick that fell out of nest on 4/25.

 5/21: Banded Female 11/D (aka Lancer).

 6/25: Lancer flew.

 2021 Season:

 Adult Male K-81 (aka Chase) was produced by captive eagles at the San Francisco Zoo and fostered to the West End nest on Catalina in 1998.

 Adult Female K-82 (aka Cholyn) hatched in incubator at SF Zoo from egg removed from West End nest on Catalina in 1998. Fostered to Pinnacle Rock nest on Catalina.

 2/28: First egg laid in evening. Estimated hatch date 4/6.

 3/4: Second egg laid late 3/3 to early 3/4: Estimated hatch date 4/7.

 3/18: One egg broke.

 4/7: Chick hatched by first light.

 5/21: Banded chick, named Toyon

 6/22: Toyon took first flight away from nest

 2020 Season:

 Adult Male K-81 (aka Chase) was produced by captive eagles at the San Francisco Zoo and fostered to the West End nest on Catalina in 1998.

 Adult Female K-82 (aka Cholyn) hatched in incubator at SF Zoo from egg removed from West End nest on Catalina in 1998. Fostered to Pinnacle Rock nest on Catalina.

 Eggs laid 2/27, 3/1. One egg broke 3/20. Chick hatched 4/5.

 Champion flew 6/26

 2019 Season:

Adult Male K-81 (aka Chase) was produced by captive eagles at the San Francisco Zoo and fostered to the West End nest on Catalina in 1998.

Adult Female K-82 (aka Cholyn) hatched in incubator at SF Zoo from egg removed from West End nest on Catalina in 1998. Fostered to Pinnacle Rock nest on Catalina.

Eggs laid 2/23, 2/27

Chicks hatched 4/3 and 4/4

Chicks banded 5/16. Female 57/A (aka Miss Cat) and Male 24/A (aka Marcus)

Male 24/A flew 6/11

Female 57/A flew 6/26

 2018 Season:

 Adult Male K-81 was produced by captive eagles at the San Francisco Zoo and fostered to the West End nest on Catalina in 1998.

 Adult Female K-82 hatched in incubator at SF Zoo from egg removed from West End nest on Catalina in 1998. Fostered to Pinnacle Rock nest on Catalina

 First egg laid 4/2

 5/18: Egg broke overnight

 2017 Season:

 Adult Male K-81

 Adult Female K-82

 Discovered incubating on new nest on 3/10

 At least one chick present on 12 April

 Chick banded on 5/19

 Female K-72, aka Washi, flew on 6/26. Current status unknown

 2016 Season:

 Adult Male K-81

 Adult Female K-82

 Eggs laid 2/25 and 2/29

 One egg disappeared during incubation and the second egg failed to hatch.

 2015 Season:

 Adult Male K-81

 Adult Female K-82

 Eggs laid 2/27 and 3/2

 Chicks hatched 4/6 and 4/7

 One chick fell out of nest and died on 5/1

 Banded chick on 5/27

 Female K-58, aka EmeraldSkye, flew on 7/4. Current status unknown.

 2014 Season:

 Adult Male K-81

 Adult Female K-82

 Eggs laid 2/15 and 2/17. Second egg broke within an hour.

 Chick hatched on 3/24

 Banded chick on 5/15

 Female K-43, aka Shyla, flew on 6/14. Seen at Klamath Falls, OR on 4/11/2020.

 2013 Season:

 Adult Male K-81

 Adult Female K-82.

 Eggs laid 2/15 and 2/18. One egg broke on 2/24.

 Chick hatched on 3/25

 Chick banded on 5/18

 Female K-38, aka Echo, flew on 6/21. Seen on San Clemente Island on 2/17/18.

 2012 Season:

 Adult Male K-81

 Adult Female K-82

 Eggs laid 2/19 and 2/22

 Chick appeared to hatch on 3/26, but was likely killed accidentally by K-81. Second chick hatched on 3/29.

 Chick taken by an Island fox on 4/20 when neither adult returned to the nest at night.

 2011 Season:

 Adult Male K-81

 Adult Female K-82

 Eggs laid 2/17 and 2/21. One egg disappeared around 20 March.

 Chick hatched 3/26 or 3/27

 Chick banded on 5/22

 Female K-18, aka Solitaire, flew on 6/23. Seen in the Empire territory, Catalina Is. 2/13/21.

 2010 Season:

 Adult Male K-81

 Adult Female K-82

 Eggs laid 2/17 and 2/21

 Chicks hatched 3/27 and 3/28

 Chicks banded on 5/24

 Female K-04 flew on 6/23. Found starving near Duvall, WA on 2/13/11. Went to Sarvey Wildlife Center for rehab.

 Male K-06 flew 6/23. Found dead under powerline in Oregon on 3/7/11.

 2009 Season:

 Adult Male K-81

 Adult Female K-82

 Eggs laid 2/17 and 2/21

 Chicks hatched 3/26 and 3/28

 Chicks banded on 5/22

 Female K-91, flew on 6/16. Breeding at West End nest on Catalina Island.

 Female K-87, flew between 6/18 and 6/23. Seen on San Clemente Island on 1/13/13.

 2008 Season:

 Adult Male K-81

 Adult Female K-82

 Eggs laid 2/22 and 2/26. Removed for artificial incubation on 2/28. Both fertile.

 Chick hatched 4/2 in incubation facility

 Chick fostered back to nest on 4/8

 Chick banded on 5/27

 Female K-83, flew ~6/21. Seen at Big Bear Lake on 9/7/16.

 2007 Season:

 Adult Male K-81

 Adult Female K-82

 Eggs laid 2/27 and 3/2. Removed for artificial incubation on 3/6. Both fertile.

 Chicks hatched in incubation facility on 4/6 and 4/8

 Chicks fostered to nest on 4/12

 Chicks banded on 5/30

 Male K-78, flew ~6/28. Seen on Catalina Island on 5/3/10.

 Male K-79, flew ~6/28. Photographed at Lake Piru, California on 5/13/15.

 2006 Season:

 Adult Male K-81

 Adult Female K-82

 Two eggs laid 2/21 and ~2/24. Removed for artificial incubation on 2/25. Both fertile.

 One chick hatched on 3/29

 Chick fostered to nest on 4/3.

 Chick banded on 5/22.

 Female K-63 flew on 6/17. Seen at Folsom Lake near Sacramento, CA on 6/26/10.

 2005 Season:

 Adult Male K-81

 Adult Female K-82

 Egg laid on 2/23. Removed for artificial incubation on 2/25. Fertile.

 Chick hatched in incubation facility on 4/4.

 Chick fostered to nest on 4/10.

 Chick banded on 5/28

 Male K-55, flew on 6/28. Last reported in San Luis Obispo County, CA on 10/9/05.

 2004 Season:

 Adult Male K-81

 Adult Female K-82

 Egg laid on 2/22. Removed for artificial incubation on 2/24. Fertile.

 Chick hatched at Avian Conservation Center (ACC), San Francisco Zoo.

 Chick fostered to nest on 4/15.

 Chick banded on 5/30.

 Female K-46 flew ~6/28. Reported dead in Millville, CA under powerline on 12/6/04.

 2003 Season:

 Adult Male K-81

 Adult Female K-82

 Two eggs laid ~3/3. Removed for artificial incubation on 3/6. Both were fertile.

 Neither egg hatched at ACC.

 ACC-produced chick fostered to nest on 4/8.

 Chick banded on 6/1

 Male K-36, flew ~6/21. Last reported at Castaic Lagoon during Christmas bird count on 1/1/10.