How to do a Breeding Bird Survey?
The survey involves a recce visit and two early-morning spring visits to an allocated 1-km square, to count all the birds you see or hear while walking two 1-km lines across the square and record any nest counts for colonial nesting birds in the square.
What is the purpose of a Breeding Bird Survey?
The objectives of the breeding bird survey were to describe species presence, relative abundance, and habitat use of breeding birds in selected portions of the Canadian Natural Resources Limited (Canadian Natural) Kirby In-Situ Oil Sands Project (the Project) Lease Area.
What are BBS routes?
A typical BBS route is 24.5 miles long with a stop every 0.5 miles, adding up to 50 stops per route. Routes are randomly located in order to sample habitats that are representative of the entire region.
How do you survey a bird population?
All you have to do is register your survey site, establish a birdwatching route through it and count the birds that you see along the way. It’s easy, but there are a few simple rules to keep your surveys consistent: Make sure you keep to the same route on each survey (it can be as long as you like)
How do you do a bird census?
Count flocks in numerical groups. You can count groups of the same species of bird by 10, 50 or 100 individuals. Look to see how large a portion of the entire flock is taken up by your grouping, of say 10 birds. If you count 6 groupings of roughly 10, write down 60 for the flock.
How hard is it to breed birds?
Successfully breeding and rearing birds is difficult and not something that most bird owners will do. Feathering is complete in about 1 month for smaller birds but can take up to 5 months in larger birds, such as macaws.
How is the breeding bird survey used in the UK?
The BTO/JNCC/RSPB Breeding Bird Survey (BBS) is the main scheme for monitoring the population changes of the UK’s common and widespread breeding birds, producing population trends for 117 bird and nine mammal species.
How many breeding birds are there in Canada?
This website provides detailed population trend information based on data collected through the North American Breeding Bird Survey (BBS), for approximately 300 Canadian bird species. The trend results presented here are for Canadian regions only, however data from the full BBS survey are used in the analyses.
How does WBBS work for breeding bird survey?
The WBBS uses transect methods akin to those of the Breeding Bird Survey (BBS) but with minor adaptations to a linear habitat. Volunteers walk along from just 500 metres to a maximum of 5 km of waterway, making a note of all of the birds that they see and hear.
How to check the credibility of bird population studies?
Hover over one of the 3 drop-down menu boxes and select data (core or expanded), scale (Surveywide, US/Canada, BBS regions, or states/province s) Hover over an area for the trend. (Color symbol () indicates credibility)