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Collection & Release Records

The following records show the number of nests collected and placed in our nursery, the number relocated to prevent poaching, and the total number of hatchlings released to the sea.

San Francisco Nursery - Olive Ridley, (Lepidochelys olivacea)

Year

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

Nests recorded

111

172

182

102

228

388

416

267

285

306

Nests relocated

10

14

4

8

19

209

111

50

47

18

Released to the sea

7,517
11,442
*4,085
6,382
18,571
40,661
40,331
22,591
27,082
26,791

* Months of heavy rain and lower than normal temperatures, associated with El Niño,
destroyed 77% of all the eggs in 1997.

San Francisco Nursery - Olive Ridley, (Lepidochelys olivacea)

Year

2005

2006

2007

2008

2009

2010

2011

2012

2013

2014

Box nursery

310

470

656

666

584

486

661

902

828

859

Beach nursery

--

--

--

118

324

246

170

367

278

250

Nests relocated

111

113

190

207

119

21

86

117

27

83

Released to the sea

26,190 42,901 65,852 76,688 63,664 54,856 65,446 105,286 90,098 89,833

San Francisco Nursery - Olive Ridley, (Lepidochelys olivacea)

Year

2015

2016

2017

2018

2019

2020

2021

2022

2023

2024

Box nursery

778

Beach nursery

96

Nests relocated

64

Released to the sea

 69,941                  

San Francisco Nursery - Leatherback (Dermochelys coriacea) - 40 to 60 eggs per nests

Year 1992-93 1995-96 1996-97 2003-04 2004-05 2005-06 2006-07 2008-09 2012-13 2013-15

Nests collected

6

6

3

0

0

0

0

1

0

0

Nests left in place

4 1 1 7 1 1 2 0 4 0

Released to sea

308 347 100 Unknown Unknown Unknown Unknown 60 255 0


Baby Pacific Green turtles

Young Eastern Pacific Green Turtles on their way to be released

Nuevo Vallarta Nursery - Olive Ridley, (Lepidochelys olivacea)

Year

1993

1994

Nests collected

71

835

Eggs collected

5,387

78,490

Released to sea

4,793

58,900

In June of 1994 the Group also acquired permission from the Mexican Government to build the first nursery encampment on the beach of Nuevo Vallarta.

San Francisco Nursery - Eastern Pacific Green Turtle, (Chelonia agassizi)

Year

1996

Nests collected

1

Eggs collected

49

Released to sea

41

The only nest recorded within the entire State of Nayarit.


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