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Survey Calendar


  • Qualified surveyors
  • Competitive pricing
  • Pragmatic solutions

Ecology surveys are constrained by season. The calendar below can be used as a guideline to help you to plan your project. Please note that the timings are a guideline only and circumstances (e.g. weather) can result in yearly changes. Additionally, please be aware that in many cases it is necessary to undertake more than one survey throughout the survey season. Surveys are listed alphabetically.

Download a PDF of our survey calendar.


Optimal =
Suboptimal =

+ Badgers

 
Jan
Feb
Mar
Apr
May
June
July
Aug
Sept
Oct
Nov
Dec
Field sign surveys  
 
 
 
 
 
 
 
 
 
 
 
 
Sett monitoring surveys  
 
 
 
 
 
 
 
 
 
 
 
 
Bait marking surveys  
 
 
 
 
 
 
 
 
 
 
 
 

+ Bats

 
Jan
Feb
Mar
Apr
May
June
July
Aug
Sept
Oct
Nov
Dec
Preliminary roost assessment (trees)  
 
 
 
 
 
 
 
 
 
 
 
 
Preliminary roost assessment (buildings)  
 
 
 
 
 
 
 
 
 
 
 
 
Activity and emergence surveys  
 
 
 
 
 
 
 
 
 
 
 
 

+ Birds

 
Jan
Feb
Mar
Apr
May
June
July
Aug
Sept
Oct
Nov
Dec
Habitat assessment  
 
 
 
 
 
 
 
 
 
 
 
 
Breeding bird surveys  
 
 
 
 
 
 
 
 
 
 
 
 
Winter bird surveys  
 
 
 
 
 
 
 
 
 
 
 
 

+ Botanical and habitat

 
Jan
Feb
Mar
Apr
May
June
July
Aug
Sept
Oct
Nov
Dec
Phase 1 habitat surveys  
 
 
 
 
 
 
 
 
 
 
 
 
Botanical surveys (including NVC)  
 
 
 
 
 
 
 
 
 
 
 
 
Hedgerow surveys  
 
 
 
 
 
 
 
 
 
 
 
 

+ Great crested newts

 
Jan
Feb
Mar
Apr
May
June
July
Aug
Sept
Oct
Nov
Dec
Habitat Suitability Index (HSI)  
 
 
 
 
 
 
 
 
 
 
 
 
Presence/likely absence surveys  
 
 
 
 
 
 
 
 
 
 
 
 
 
Environmental DNA (eDNA)  
 
 
 
 
 
 
 
 
 
 
 
 
 

+ Hazel dormice

 
Jan
Feb
Mar
Apr
May
June
July
Aug
Sept
Oct
Nov
Dec
Nest tube surveys  
 
 
 
 
 
 
 
 
 
 
 
 
Nest search  
 
 
 
 
 
 
 
 
 
 
 
 
Nut search  
 
 
 
 
 
 
 
 
 
 
 
 

+ Invertebrates

 
Jan
Feb
Mar
Apr
May
June
July
Aug
Sept
Oct
Nov
Dec
Invertebrate surveys  
 
 
 
 
 
 
 
 
 
 
 
 

+ Otters

 
Jan
Feb
Mar
Apr
May
June
July
Aug
Sept
Oct
Nov
Dec
Field sign surveys  
 
 
 
 
 
 
 
 
 
 
 
 

+ Reptiles

 
Jan
Feb
Mar
Apr
May
June
July
Aug
Sept
Oct
Nov
Dec
Presence/likely absence surveys  
 
 
 
 
 
 
 
 
 
 
 
 

+ Water voles

 
Jan
Feb
Mar
Apr
May
June
July
Aug
Sept
Oct
Nov
Dec
Habitat assessment and field sign surveys  
 
 
 
 
 
 
 
 
 
 
 
 

+ White-clawed crayfish

 
Jan
Feb
Mar
Apr
May
June
July
Aug
Sept
Oct
Nov
Dec
Presence/likely absence surveys