Add to ORKG38 pages, 1 article*The Influence of Observer Effort on the Number of Individual Birds Recorded on Christmas Bird Counts* (Butcher, Gregory S.; McCulloch, Charles E.) 38 page
Sixteen counts were run in the 2022-2023 CBC season. Because of weather and rescheduling issues, the...
The official count period for the 98th National Audubon Society\u27s Christmas Bird Count was from D...
Statistics for Maine\u27s annual Christmas Bird Count, and details of birds seen, including a rare W...
37 pages, 1 article*The Strength of Inferences About Causes of Trends in Bird Populations* (James, F...
12 pages, 1 article*Measuring Bird Migration Using Spatial and Temporal Counts* (Cottrell, Kevin; Be...
18 pages, 1 article*Population Trends in Birds by Physiographic Strata* (James, Frances C.; Wiedenfe...
The first Christmas Bird Count (CBC) was held in 1900. Since then, this early winter bird census has...
39 pages, 1 article*Methodological Issues in the Estimation of Trends in Bird Populations with an Ex...
Since 1915, Portland Audubon has organized the Portland Christmas Bird Count (CBC), recruiting commu...
☯ These authors contributed equally to this work. ‡ These authors also contributed equally to this w...
54 pages, 1 article*New Approaches to the Analysis of Population Trends in Land Birds* (James, Franc...
One hundred and one species (thirteen more than last year) were reported in the 1982 Christmas Count...
Volunteers are increasingly being recruited into citizen science projects to collect observa-tions f...
Counts as the oldest and largest wildlife survey in the world. The use of these survey data in an ac...
Additional Christmas Count Information on the Norfolk Christmas Count was received after the tabulat...
Sixteen counts were run in the 2022-2023 CBC season. Because of weather and rescheduling issues, the...
The official count period for the 98th National Audubon Society\u27s Christmas Bird Count was from D...
Statistics for Maine\u27s annual Christmas Bird Count, and details of birds seen, including a rare W...
37 pages, 1 article*The Strength of Inferences About Causes of Trends in Bird Populations* (James, F...
12 pages, 1 article*Measuring Bird Migration Using Spatial and Temporal Counts* (Cottrell, Kevin; Be...
18 pages, 1 article*Population Trends in Birds by Physiographic Strata* (James, Frances C.; Wiedenfe...
The first Christmas Bird Count (CBC) was held in 1900. Since then, this early winter bird census has...
39 pages, 1 article*Methodological Issues in the Estimation of Trends in Bird Populations with an Ex...
Since 1915, Portland Audubon has organized the Portland Christmas Bird Count (CBC), recruiting commu...
☯ These authors contributed equally to this work. ‡ These authors also contributed equally to this w...
54 pages, 1 article*New Approaches to the Analysis of Population Trends in Land Birds* (James, Franc...
One hundred and one species (thirteen more than last year) were reported in the 1982 Christmas Count...
Volunteers are increasingly being recruited into citizen science projects to collect observa-tions f...
Counts as the oldest and largest wildlife survey in the world. The use of these survey data in an ac...
Additional Christmas Count Information on the Norfolk Christmas Count was received after the tabulat...
Sixteen counts were run in the 2022-2023 CBC season. Because of weather and rescheduling issues, the...
The official count period for the 98th National Audubon Society\u27s Christmas Bird Count was from D...
Statistics for Maine\u27s annual Christmas Bird Count, and details of birds seen, including a rare W...