Map of the nesting zones in Canada

Canadian nesting zones are broad, general areas, corresponding roughly to Bird Conservation Regions (version 2014. updates have been made in 2022)

https://www.canada.ca/en/environment-climate-change/services/avoiding-harm-migratory-birds/general-nesting-periods/nesting-periods.html

The limits of nesting zones reflect:

variations in species diversity
variations in mean annual temperature
similarities in the nesting periods within and between zones

Changes in the nesting period between adjacent nesting zones occur as a gradient.

When working near the boundary of a zone, you should also consider the nesting period of the adjacent zone..

More detail technical information are available here: https://publications.gc.ca/site/eng/9.843362/publication.html

Warning: This technical information on timing of nesting migratory birds are published by EC to support the planning of activities in order to reduce the risk of detrimental effects to migratory birds, their nests and eggs. This technical information constitutes advice only. This information does not provide an authorization for harming or killing migratory birds or for the disturbance, destruction or taking of nests or eggs as prohibited under the MBR. This information does not provide a guarantee that the activities will avoid contravening the MBR or other laws and regulations. This is general information not intended to be relied on as official advice concerning the legal consequences of any specific activity. It is not a substitute for the MBCA, the MBR, or any other legislation. It is the responsibility of individuals and companies to assess their risk with regards to migratory birds and design relevant avoidance and mitigation measures.

Datasets available for download

Additional Info

Field	Value
Last Updated	October 20, 2025, 02:08 (UTC)
Created	October 20, 2025, 02:08 (UTC)
Domain / Topic Domain or topic of the dataset being cataloged.	Biota
Title Title for the Dataset.	Map of the nesting zones in Canada
Description A description of the dataset.	Canadian nesting zones are broad, general areas, corresponding roughly to Bird Conservation Regions (version 2014. updates have been made in 2022) https://www.canada.ca/en/environment-climate-change/services/avoiding-harm-migratory-birds/general-nesting-periods/nesting-periods.html The limits of nesting zones reflect: variations in species diversity variations in mean annual temperature similarities in the nesting periods within and between zones Changes in the nesting period between adjacent nesting zones occur as a gradient. When working near the boundary of a zone, you should also consider the nesting period of the adjacent zone.. More detail technical information are available here: https://publications.gc.ca/site/eng/9.843362/publication.html Warning: This technical information on timing of nesting migratory birds are published by EC to support the planning of activities in order to reduce the risk of detrimental effects to migratory birds, their nests and eggs. This technical information constitutes advice only. This information does not provide an authorization for harming or killing migratory birds or for the disturbance, destruction or taking of nests or eggs as prohibited under the MBR. This information does not provide a guarantee that the activities will avoid contravening the MBR or other laws and regulations. This is general information not intended to be relied on as official advice concerning the legal consequences of any specific activity. It is not a substitute for the MBCA, the MBR, or any other legislation. It is the responsibility of individuals and companies to assess their risk with regards to migratory birds and design relevant avoidance and mitigation measures.
Tags / Keywords Keywords/tags categorizing the dataset.	1.1.3. Migratory Birds Animal migrations Assess Status of Species Canadian Wildlife Service Designate and... Develop Species... Develop Species... Eggs Environmental... Expand Scientific... Information... Migration Migratory birds National CA Nature and Biodiversity Nature and Environment Nesting Nesting zone Policy Framework... Protect Species Well-Being Protect and Restore Species Respond to Calls ... Science and Technology Unclassified
Format (CSV, XLS, TXT, PDF, etc) File format of the dataset.
Dataset Size Dataset size in megabytes.
Metadata Identifier Metadata identifier – can be used as the unique identifier for catalogue entry
Published Date Published date of the dataset.	2025-03-11
Time Period Data Span (start date) Start date of the data in the dataset.
Time Period Data Span (end date) End date of time data in the dataset.
GeoSpatial Area Data Span A spatial region or named place the dataset covers.

Field	Value
Access category Type of access granted for the dataset (open, closed, service, etc).
License License used to access the dataset.	Open Government Licence - Canada
Limits on use Limits on use of data.
Location Location of the dataset.	https://open.canada.ca/data/en/dataset/60d46eda-4f9f-404d-9e9e-f40ac7742f9a
Data Service Data service for accessing a dataset.
Owner Owner of the dataset.	Environment and Climate Change Canada \| Environnement et Changement climatique Canada
Contact Point Who to contact regarding access?	Government of Canada; Environment and Climate Change Canada; Canadian Wildlife Service, 1-800-668-6767, [email protected]
Contact Point Email The email to contact regarding access?
Publisher Publisher of the dataset.
Publisher Email Email of the publisher.	[email protected]
Author Author of the dataset.
Author Email Email of the author.
Accessed At Date the data and metadata was accessed.

Field	Value
Identifier Unique identifier for the dataset.
Language Language(s) of the dataset
Link to dataset description A URL to an external document describing the dataset.
Persistent Identifier Data is identified by a persistent identifier.
Globally Unique Identifier Data is identified by a persistent and globally unique identifier.
Contains data about individuals Does the data hold data about individuals?
Contains data about identifiable individuals Does the data hold identifiable data about individual?
Contains Indigenous Data Does the data hold data about Indigenous communities?
Portal Type Platform type of the source portal.

Field	Value
Version Version of the datatset	None
Source Source of the dataset.	None
Version notes Version notes about the dataset.
Is version of another dataset Link to dataset that it is a version of.
Other versions Link to datasets that are versions of it.
Provenance Text Provenance Text of the data.
Provenance URL Provenance URL of the data.
Temporal resolution Describes how granular the date/time data in the dataset is.
GeoSpatial resolution in meters Describes how granular (in meters) geospatial data is in the dataset.
GeoSpatial resolution (in regions) Describes how granular (in regions) geospatial data is in the dataset.

Field	Value
Indigenous Community Permission Who holds the Indigenous Community Permission. Who to contact regarding access to a dataset that has data about Indigenous communities.
Community Permission Community permission (who gave permission).
The Indigenous communities the dataset is about Indigenous communities from which data is derived.

Field	Value
Number of data rows If tabular dataset, total number of rows.
Number of data columns If tabular dataset, total number of unique columns.
Number of data cells If tabular dataset, total number of cells with data.
Number of data relations If RDF dataset, total number of triples.
Number of entities If RDF dataset, total number of entities.
Number of data properties If RDF dataset, total number of unique properties used by the triples.
Data quality Describes the quality of the data in the dataset.
Metric for data quality A metric used to measure the quality of the data, such as missing values or invalid formats.

Map of the nesting zones in Canada

Datasets available for download

Additional Info

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