
2023 Spring Surveys
Nesting Birds ● Aquatic ● Reptiles ● Botanical ● Small MammalsIt’s that time of year! Rincon Biologists hold Federal 10(a)(1)(A) and State permits and have specific expertise in conducting protocol surveys for special-status species. Our Biologists coordinate with resource agencies to develop measures to comply with regulatory requirements while meeting project objectives. Reach out to us for your Spring Survey needs!
Nesting Birds
General Avian Nesting Season: February through August
Raptor Nesting Season: January through July
Coastal CA Gnatcatcher
(Federal Threatened)
Survey Requirements:
Mar 15-Jun 30 (6 surveys)
Jul 1-Mar 14 (9 surveys)
SW Willow Flycatcher
(Federal/State Endangered)
Survey Requirements:
May 15-June 1 (1 survey)
June 1-June 24 (2 survey)
June 24-July 17 (2 surveys)
Burrowing Owl
(CA Species of Concern)
Survey Requirements:
Feb 1-Aug 31 (4 surveys)
Dec 1-Jan 31 (4 surveys)
Aquatic Species
January through June
Reptile Species
Blunt-nosed leopard lizard
(State FP, Federally Endangered)
April 15th – September 30th
Western Pond Turtle
(CDFW SSC)
Flat-tailed horned lizard
(CDFW SSC)
April – September
Coachella Valley fringe-toed lizard
(Federally Threatened/State Endangered)
Small Mammals
Spring through Summer
Seasonal Botanical Survey Periods
Spring: March through May
Summer: June through August
For more information about the above services, please contact our Biology team.
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