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129 results for “jays”
Pinyon jay (Gymnorhinus cyanocephalus) nest site selection in central New Mexico: Habitat Data to be used with AICc
<p>Pinyon Jays (<i>Gymnorhinus cyanocephalus</i>) are experiencing range wide population declines primarily in response to habitat degradation. Studies examining Pinyon Jay nest site selection in pinyon-juniper woodlands would be helpful in determining potential habitat management prescriptions. Therefore, we conducted a nest site selection study in Pinyon Jay breeding habitat in central New Mexico. We compared size and foliage characteristics of pinyon and juniper trees in 42 17.5-m radius plots around Pinyon Jay nests to 41 same-sized vegetation plots in random locations using binomial generalized linear models. The strongest model indicated that Pinyon Jays preferred nesting in areas with fewer dead juniper trees within pinyon-juniper habitats. Furthermore, Pinyon Jays built nests in pinyon and juniper trees with greater height (<i>p</i> < 0.001) and nests were built below the average tree height in the plot (<i>p </i>= 0.001). Results suggest selective cutting of dead juniper and retention of tall, live pinyon or juniper trees may be used in pinyon-juniper woodlands to improve Pinyon Jay nesting habitat in the western United States.</p>
Cryptic genetic diversity and cytonuclear discordance characterize contact among Canada jay (Perisoreus canadensis) morphotypes in western North America
<p>Three distinct Canada jay (<em>Perisoreus canadensis</em>) morphotypes with easily recognizable plumage traits come into contact in western North America. Recent work demonstrated high genetic structure across the species' range; however, patterns of genetic variation in these contact zones remain unknown. We categorized 605 individuals into one of three morphotypes (Pacific, Rocky Mountain, and Boreal) based on plumage, and genotyped individuals at the mtDNA control region and 12 microsatellite loci to assess the extent of hybridization between morphotypes. Our data showed cryptic genetic diversity and high cytonuclear discordance among morphotypes within contact zones, which is likely the result of recent and historical admixture. The distributions of the Boreal and Pacific morphotypes each showed a strong association with a single, distinct genetic group, whereas the Rocky Mountain morphotype exhibited higher genetic diversity and was associated with multiple genotypes. Our analyses show the importance of considering both plumage and genetic traits when examining contact zones between closely related taxa. Finally, the data presented in this study reaffirm that the Pacific morphotype is distinct from the Boreal and Rocky Mountain morphotypes based on genetic, phenotypic, and ecological data, indicating that the Pacific morphotype should be re-elevated to a full species.</p>
Supplementary material 6 from: Jay C, Haines R, Vigo M, Matentzoglu N, Stevens R, Boyle J, Davies A, Del Vescovo C, Gruel N, Le Blanc A, Mawdsley D, Mellor D, Mikroyannidi E, Rollins R, Rowley A, Vega J (2017) Identifying the challenges of code/theory translation: report from the Code/Theory 2017 workshop. Research Ideas and Outcomes 3: e13236. https://doi.org/10.3897/rio.3.e13236
Lightning Talk: Richard Rollins
Supplementary material 5 from: Jay C, Haines R, Vigo M, Matentzoglu N, Stevens R, Boyle J, Davies A, Del Vescovo C, Gruel N, Le Blanc A, Mawdsley D, Mellor D, Mikroyannidi E, Rollins R, Rowley A, Vega J (2017) Identifying the challenges of code/theory translation: report from the Code/Theory 2017 workshop. Research Ideas and Outcomes 3: e13236. https://doi.org/10.3897/rio.3.e13236
Lightning Talk: Dale Mellor
Supplementary material 4 from: Jay C, Haines R, Vigo M, Matentzoglu N, Stevens R, Boyle J, Davies A, Del Vescovo C, Gruel N, Le Blanc A, Mawdsley D, Mellor D, Mikroyannidi E, Rollins R, Rowley A, Vega J (2017) Identifying the challenges of code/theory translation: report from the Code/Theory 2017 workshop. Research Ideas and Outcomes 3: e13236. https://doi.org/10.3897/rio.3.e13236
Lightning Talk: David Mawdsley
Supplementary material 3 from: Jay C, Haines R, Vigo M, Matentzoglu N, Stevens R, Boyle J, Davies A, Del Vescovo C, Gruel N, Le Blanc A, Mawdsley D, Mellor D, Mikroyannidi E, Rollins R, Rowley A, Vega J (2017) Identifying the challenges of code/theory translation: report from the Code/Theory 2017 workshop. Research Ideas and Outcomes 3: e13236. https://doi.org/10.3897/rio.3.e13236
Lightning Talk: Nicolas Gruel
Supplementary material 7 from: Jay C, Haines R, Vigo M, Matentzoglu N, Stevens R, Boyle J, Davies A, Del Vescovo C, Gruel N, Le Blanc A, Mawdsley D, Mellor D, Mikroyannidi E, Rollins R, Rowley A, Vega J (2017) Identifying the challenges of code/theory translation: report from the Code/Theory 2017 workshop. Research Ideas and Outcomes 3: e13236. https://doi.org/10.3897/rio.3.e13236
Lightning Talk: Andrew Rowley
Supplementary material 1 from: Jay C, Haines R, Vigo M, Matentzoglu N, Stevens R, Boyle J, Davies A, Del Vescovo C, Gruel N, Le Blanc A, Mawdsley D, Mellor D, Mikroyannidi E, Rollins R, Rowley A, Vega J (2017) Identifying the challenges of code/theory translation: report from the Code/Theory 2017 workshop. Research Ideas and Outcomes 3: e13236. https://doi.org/10.3897/rio.3.e13236
Lightning Talk: Jonathan Boyle
Supplementary material 2 from: Jay C, Haines R, Vigo M, Matentzoglu N, Stevens R, Boyle J, Davies A, Del Vescovo C, Gruel N, Le Blanc A, Mawdsley D, Mellor D, Mikroyannidi E, Rollins R, Rowley A, Vega J (2017) Identifying the challenges of code/theory translation: report from the Code/Theory 2017 workshop. Research Ideas and Outcomes 3: e13236. https://doi.org/10.3897/rio.3.e13236
Lightning Talk: Chiara Del Vescovo
Figure 1 from: Jay C, Haines R, Vigo M, Matentzoglu N, Stevens R, Boyle J, Davies A, Del Vescovo C, Gruel N, Le Blanc A, Mawdsley D, Mellor D, Mikroyannidi E, Rollins R, Rowley A, Vega J (2017) Identifying the challenges of code/theory translation: report from the Code/Theory 2017 workshop. Research Ideas and Outcomes 3: e13236. https://doi.org/10.3897/rio.3.e13236
Figure 1 - In many areas of research, science is now produced at the intersection of the 'software', contributed by programmers, and the 'story', or theoretical narrative, contributed by domain experts. In team-based research, everyone is a scientist.
Figs. 15–17. 15. Melania laeta Jay, 1839 in Catalog Of Recent Type Specimens In The Division Of Invertebrate Zoology, American Museum Of Natural History. V. Mollusca, Part 2 (Class Gastropoda [Exclusive Opisthobranchia And Pulmonata With Supplements To Gastropoda [Opisthobranchia], And Bivalvia
Figs. 15–17. 15. Melania laeta Jay, 1839 (syntype—AMNH 56113), X 1.5. 16. Odostomia nestho) beauforti Jacot, 1921 (holotype—AMNH 15728), X 8. 17. Turbo rotelliformis Jay, 1839 types—AMNH 56071 [right], 56071a [left]), X 1.
Figs. 1–5. 1. Ampullaria angulata Jay, 1836 in Catalog Of Recent Type Specimens In The Division Of Invertebrate Zoology, American Museum Of Natural History. V. Mollusca, Part 2 (Class Gastropoda [Exclusive Opisthobranchia And Pulmonata With Supplements To Gastropoda [Opisthobranchia], And Bivalvia
Figs. 1–5. 1. Ampullaria angulata Jay, 1836 (syntype—AMNH 56108), X 1.5. 2. brownii Jay, 1839 (syntype—AMNH 56107), X 1.25. 3. Ampullaria ochracea Jay, 1836 (
Data for: Causes and consequences of variation in diet composition of nestling Canada jays
<p>Diet quality during development can impact growth, physiology, behaviour, and survival. The Canada jay is a resident boreal passerine that caches a wide variety of perishable food items in late summer and autumn for its over-winter survival and late-winter reproduction. A previous experiment found evidence that food supplementation of Canada jay pairs during the nestling period had a positive effect on the condition of their nestlings. However, given that foods cached by adults vary widely in nutritional content, the composition of nestling diets could also have an important influence on offspring development. In a population of Canada jays in Algonquin Provincial Park, Ontario, Canada, we investigated the influence of environmental conditions before and during the breeding season on nestling diet composition and the consequences of nestling diet composition on the body condition of nestlings and on their subsequent survival. Using stable-carbon (δ13C) and -nitrogen (δ15N) isotopes, we estimated the proportion of three food groups (vertebrates+human food, invertebrates and plants) in feathers from almost 200 nestlings. Nestling diet in March and April was influenced by environmental conditions 5 – 6 months prior to hatching, with warmer and more variable autumn temperatures associated with a greater proportion of vertebrate flesh and human food in the diet. However, the proportion of vertebrates and human food in the diet had no influence on nestling body condition or whether an individual was observed the following fall. Our results, in conjunction with previous work on Canada jays, suggest that the quantity of food available to a nestling during development may be more important than diet composition.</p> <p> </p>
Figure 9 from: Jay KR, Popkin-Hall ZR, Coblens MJ, Oberski JT, Sharma PP, Boyer SL (2016) New species of Austropurcellia, cryptic short-range endemic mite harvestmen (Arachnida, Opiliones, Cyphophthalmi) from Australia's Wet Tropics biodiversity hotspot. ZooKeys 586: 37-93. https://doi.org/10.3897/zookeys.586.6774
Figure 9 - Austropurcellia finniganensis sp. n., males. A spiracle, QM 102447, paratype B ozophore, QM berlesate 981. Scale bar: 20 μm (A); 50 μm (B).
Figure 8 from: Jay KR, Popkin-Hall ZR, Coblens MJ, Oberski JT, Sharma PP, Boyer SL (2016) New species of Austropurcellia, cryptic short-range endemic mite harvestmen (Arachnida, Opiliones, Cyphophthalmi) from Australia's Wet Tropics biodiversity hotspot. ZooKeys 586: 37-93. https://doi.org/10.3897/zookeys.586.6774
Figure 8 - Austropurcellia finniganensis sp. n., paratype male, QM 102447. A dorsal view of posterior tergites B anal plate. Scale bars: 100 μm.
Figure 7 from: Jay KR, Popkin-Hall ZR, Coblens MJ, Oberski JT, Sharma PP, Boyer SL (2016) New species of Austropurcellia, cryptic short-range endemic mite harvestmen (Arachnida, Opiliones, Cyphophthalmi) from Australia's Wet Tropics biodiversity hotspot. ZooKeys 586: 37-93. https://doi.org/10.3897/zookeys.586.6774
Figure 7 - Austropurcellia finniganensis sp. n., males. A dorsal view, QM berlesate 981 B ventral view, QM 102447, paratype. Scale bar: 0.5 μm (A); 200 μm (B).
Figure 38 from: Jay KR, Popkin-Hall ZR, Coblens MJ, Oberski JT, Sharma PP, Boyer SL (2016) New species of Austropurcellia, cryptic short-range endemic mite harvestmen (Arachnida, Opiliones, Cyphophthalmi) from Australia's Wet Tropics biodiversity hotspot. ZooKeys 586: 37-93. https://doi.org/10.3897/zookeys.586.6774
Figure 38 - Austropurcellia riedeli sp. n., male, MCZ IZ 69026. A dorsal view of posterior tergites B anal plate. Scale bars: 100 μm.
Figure 37 from: Jay KR, Popkin-Hall ZR, Coblens MJ, Oberski JT, Sharma PP, Boyer SL (2016) New species of Austropurcellia, cryptic short-range endemic mite harvestmen (Arachnida, Opiliones, Cyphophthalmi) from Australia's Wet Tropics biodiversity hotspot. ZooKeys 586: 37-93. https://doi.org/10.3897/zookeys.586.6774
Figure 37 - Austropurcellia riedeli sp. n., male, MCZ IZ 69026. A dorsal view B ventral view. Scale bar: 200 μm (A); 500 μm (B).
Figure 5 from: Jay KR, Popkin-Hall ZR, Coblens MJ, Oberski JT, Sharma PP, Boyer SL (2016) New species of Austropurcellia, cryptic short-range endemic mite harvestmen (Arachnida, Opiliones, Cyphophthalmi) from Australia's Wet Tropics biodiversity hotspot. ZooKeys 586: 37-93. https://doi.org/10.3897/zookeys.586.6774
Figure 5 - Austropurcellia megatanka sp. n., tarsus and metatarsus IV with diagnostic features labeled. A male tarsus and metatarsus IV, lateral view, showing adenostyle pore and setae B male tarsus and metatarsus IV, medial view, showing adenostyle and long seta. Scale bars: 100 μm.
Figure 40 from: Jay KR, Popkin-Hall ZR, Coblens MJ, Oberski JT, Sharma PP, Boyer SL (2016) New species of Austropurcellia, cryptic short-range endemic mite harvestmen (Arachnida, Opiliones, Cyphophthalmi) from Australia's Wet Tropics biodiversity hotspot. ZooKeys 586: 37-93. https://doi.org/10.3897/zookeys.586.6774
Figure 40 - Austropurcellia riedeli sp. n., male, MCZ IZ 69026. A chelicera B palp. Scale bars: 100 μm.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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OpenNeuro
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