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Articles 1051 - 1080 of 163042
Full-Text Articles in Entire DC Network
Full Issue, Ontario Field Ornithologists
Table Of Contents, Ontario Field Ornithologists
The Travel Journals And Correspondence Of Charles Fothergill 1816–1840, Jeff Harrison
The Travel Journals And Correspondence Of Charles Fothergill 1816–1840, Jeff Harrison
Ontario Birds
No abstract provided.
Ronald J. Pittaway 1947–2023 Extraordinary Birder And Naturalist, Ron Tozer, Daniel Brunton, Rory Mackay
Ronald J. Pittaway 1947–2023 Extraordinary Birder And Naturalist, Ron Tozer, Daniel Brunton, Rory Mackay
Ontario Birds
No abstract provided.
Possible Cooper’S Hawk X American Goshawk Hybrid In Ontario, Quinten F.R. Wiegersma
Possible Cooper’S Hawk X American Goshawk Hybrid In Ontario, Quinten F.R. Wiegersma
Ontario Birds
No abstract provided.
The Breeding Status Of American White Pelicans In The Canadian Waters Of The Laurentian Great Lakes, David J. Moore, Sara C. Pereira De Souza, Maya Da Silva, D.V. Chip Weseloh
The Breeding Status Of American White Pelicans In The Canadian Waters Of The Laurentian Great Lakes, David J. Moore, Sara C. Pereira De Souza, Maya Da Silva, D.V. Chip Weseloh
Ontario Birds
No abstract provided.
Changes In Agricultural Land Use And The Effectiveness Of Protected Areas: Impacts On The Occurrence Of Three Grassland Bird Species In The Carden Plain Of Ontario, Alice L. Merondun, Ginny Moore, Ron Reid, Erica Nol
Changes In Agricultural Land Use And The Effectiveness Of Protected Areas: Impacts On The Occurrence Of Three Grassland Bird Species In The Carden Plain Of Ontario, Alice L. Merondun, Ginny Moore, Ron Reid, Erica Nol
Ontario Birds
We measure changes in occurrence (i.e., presence/absence) of three grassland bird species in the Carden Plain, between 2001 to 2005 and 2015 to 2016, by comparing point count results of the 2001–2005 Ontario Breeding Bird Atlas (OBBA) to repeated point counts at the same sites in the more recent period. We examine associations between changes of occurrence and habitat change and protection status of the survey locations for the three most commonly occurring species of Ontario grassland birds (Bobolink, Dolichonyx oryzivorus; Eastern Meadowlark, Sturnella magna; and Savannah Sparrow, Passerculus sandwichensis), all of which have experienced population declines in Ontario of …
Cover, Barry Kent Mackay
Table Of Contents, Ontario Field Ornithologists
Full Issue, Ontario Field Ornithologists
Ontario Piping Plovers: A Declining Population, Andrea Gress
Ontario Piping Plovers: A Declining Population, Andrea Gress
Ontario Birds
No abstract provided.
Distinguished Ornithologist 2023: Bruce Di Labio, Tom Hince
Distinguished Ornithologist 2023: Bruce Di Labio, Tom Hince
Ontario Birds
No abstract provided.
The Waterthrush Saga: An Observation Of A Vocally And Visually Ambiguous Waterthrush In Southwestern Ontario, Michael J. Kirchin, Alessandra A. Kite, Kiah R. Jasper, Samreen Munim
The Waterthrush Saga: An Observation Of A Vocally And Visually Ambiguous Waterthrush In Southwestern Ontario, Michael J. Kirchin, Alessandra A. Kite, Kiah R. Jasper, Samreen Munim
Ontario Birds
No abstract provided.
Predator Exclusion Grids Protect Common Terns From Avian Nest Predators At Presqu’Ile Provincial Park, Lake Ontario, Jennifer M. Arnold, Stephen A. Oswald, Donald J. Tyerman, Michael J. Barker
Predator Exclusion Grids Protect Common Terns From Avian Nest Predators At Presqu’Ile Provincial Park, Lake Ontario, Jennifer M. Arnold, Stephen A. Oswald, Donald J. Tyerman, Michael J. Barker
Ontario Birds
Common Tern (Sterna hirundo) breeding populations in inland areas of North America have experienced significant declines, particularly in the Canadian waters of the lower Great Lakes. Once home to two-thirds of the Great Lakes population, Presqu’ile Provincial Park maintained only a small breeding colony of Common Terns from the 1970s to the early 2010s. In 2008, a research program was started to understand the population status of this colony. This involved close collaboration between faculty at Penn State University and Ontario Parks staff, and identified poor reproductive success at this site. Although many factors contributed to this poor reproductive success …
Cover, Barry Kent Mackay
Table Of Contents, Ontario Field Ornithologists
Full Issue, Ontario Field Ornithologists
Ontario Bird Records Committee Report For 2022, N. Anthony Kaduck, Nicole M. Richardson, Alvan D. Buckley, Amanda C. Guercio, Dan J. Macneal, Michelle A. Martin, Mark D. Read, Adam P. Timpf, Mike V.A. Burrell
Ontario Bird Records Committee Report For 2022, N. Anthony Kaduck, Nicole M. Richardson, Alvan D. Buckley, Amanda C. Guercio, Dan J. Macneal, Michelle A. Martin, Mark D. Read, Adam P. Timpf, Mike V.A. Burrell
Ontario Birds
No abstract provided.
Marsh Sandpiper: New To Ontario And Canada, James Holdsworth
Marsh Sandpiper: New To Ontario And Canada, James Holdsworth
Ontario Birds
No abstract provided.
Extralimital Records Of Marsh Sandpiper In North America, Jackson W. Kusack
Extralimital Records Of Marsh Sandpiper In North America, Jackson W. Kusack
Ontario Birds
No abstract provided.
Cover, Barry Kent Mackay
Table Of Contents, Ontario Field Ornithologists
Full Issue, Ontario Field Ornithologists
Macgillivray's Warbler At Tommy Thompson Park: New To Ontario, Connor S. Smith
Macgillivray's Warbler At Tommy Thompson Park: New To Ontario, Connor S. Smith
Ontario Birds
No abstract provided.
Spring Migration Phenology, Abundance And Behaviour Of Little And Bonaparte’S Gulls At Oshawa Second Marsh, Lake Ontario, Ontario, 1992–2022, Tyler Hoar, D.V. Chip Weseloh, David J. Moore
Spring Migration Phenology, Abundance And Behaviour Of Little And Bonaparte’S Gulls At Oshawa Second Marsh, Lake Ontario, Ontario, 1992–2022, Tyler Hoar, D.V. Chip Weseloh, David J. Moore
Ontario Birds
The Little Gull (Hydrocoloeus minutus) is a rare gull in most of North America; however, in spring it is relatively numerous at several sites in Ontario, as it migrates with its much more numerous relative, the Bonaparte’s Gull (Chroicocephalus philadelphia). The primary objective of this study was to document the spring migration phenology, abundance and behaviour of the Little Gull and the Bonaparte’s Gull at Oshawa Second Marsh (OSM), Ontario. Pursuit flights, roosting flights and migration departures by Little Gulls are also reported. The study took place from late March to late May, 1992–2022, at OSM. This site consistently hosted …
Table Of Contents, Ontario Field Ornithologists
Extralimital Records Of The Canada Jay In The Greater Toronto Area 1825–2022, Glenn Coady
Extralimital Records Of The Canada Jay In The Greater Toronto Area 1825–2022, Glenn Coady
Ontario Birds
No abstract provided.
Full Issue, Ontario Field Ornithologists
Cover, Barry Kent Mackay
Is The Double-Crested Cormorant A Likely Disperser Of The Japanese Chaff-Flower To The Lake Erie Islands, Ontario?, Ronald I. Orenstein
Is The Double-Crested Cormorant A Likely Disperser Of The Japanese Chaff-Flower To The Lake Erie Islands, Ontario?, Ronald I. Orenstein
Ontario Birds
No abstract provided.