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1,014 results for “TIGER”
Genomic assessment of global population structure in a highly migratory and habitat versatile apex predator, the tiger shark (Galeocerdo cuvier)
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Figure 7 from: Duran DP, Roman SJ (2019) A new petrophilous tiger beetle from the Trans-Pecos region of Texas and revised key to the genus Amblycheila (Coleoptera, Carabidae, Cicindelinae). ZooKeys 893: 125-134. https://doi.org/10.3897/zookeys.893.47059
Figure 7 Lateral habitus. AAmblycheila katzi, sp. nov. male with elytra gradually tapering towards apex BA. schwarzi. male with elytral bulge and steep decline towards apex.
Figure 5 from: Duran DP, Roman SJ (2019) A new petrophilous tiger beetle from the Trans-Pecos region of Texas and revised key to the genus Amblycheila (Coleoptera, Carabidae, Cicindelinae). ZooKeys 893: 125-134. https://doi.org/10.3897/zookeys.893.47059
Figure 5 Elytral texture. A Dense pinpoint punctures present, without rows of larger punctae (A. cylindriformis) B with larger punctae loosely arranged into rows (A. hoversoni).
Figure 4 from: Duran DP, Roman SJ (2019) A new petrophilous tiger beetle from the Trans-Pecos region of Texas and revised key to the genus Amblycheila (Coleoptera, Carabidae, Cicindelinae). ZooKeys 893: 125-134. https://doi.org/10.3897/zookeys.893.47059
Figure 4 Carinae (pleats) present on Amblycheila elytra. A two distinct carinae (A. nyx) B three distinct carinae (A. halffteri).
Figure 3 from: Duran DP, Roman SJ (2019) A new petrophilous tiger beetle from the Trans-Pecos region of Texas and revised key to the genus Amblycheila (Coleoptera, Carabidae, Cicindelinae). ZooKeys 893: 125-134. https://doi.org/10.3897/zookeys.893.47059
Figure 3 Habitat for Amblycheila katzi sp. nov. A steep-sided limestone road cut B rock ledges with grooves and cracks C rock ledge with calcareous soil and third instar A. katzi larval burrow D closeup of third instar A. katzi larval burrow opening.
Figures 8–15. Calochroa fumikoae new species. 8 in Two new tiger beetle species of the genus Calochroa Hope, 1838 (Coleoptera: Cicindelidae) from Myanmar. 150. Contribution towards the knowledge of the Cicindelidae
Figures 8–15. Calochroa fumikoae new species. 8) Habitus, holotype male, scale = 5 mm. 9–10. Labrum, scale = 1 mm. 9) Paratype male. 10) Paratype female. 11) Left lateral view of aedeagus, holotype, scale = 2 mm. 12–15. Left elytron, scale = 5 mm. 12) Holotype male. 13) Paratype female. 14) Paratype male. 15) Paratype female.
Figures 1–7. Calochroa horii new species. 1 in Two new tiger beetle species of the genus Calochroa Hope, 1838 (Coleoptera: Cicindelidae) from Myanmar. 150. Contribution towards the knowledge of the Cicindelidae
Figures 1–7. Calochroa horii new species. 1) Habitus, holotype male, scale = 5 mm. 2–3. Labrum, scale 1 mm. 2) Holotype male. 3) Paratype female. 4) Left lateral view of aedeagus, holotype, scale = 2 mm. 5–7. Left elytron, scale = 5 mm. 5) Holotype male. 6) Paratype male. 7) Paratype female.
Figures 15–21 in Three new tiger beetle species of the genus Prothyma Hope, 1838, subgenus Genoprothyma Rivalier, 1964 (Coleoptera: Cicindelidae) described from Myanmar. 152. Contribution towards the knowledge of the Cicindelidae
Figures 15–21. Prothyma (Genoprothyma) asamii, n. sp. 15) Habitus, holotype male, scale = 10 mm. 16–17. Labrum, scale = 1 mm. 16) Holotype male. 17) Paratype female. 18–20. Left elytron, scale = 2 mm. 18) Holotype male. 19) Paratype male. 20) Paratype female. 21) Left lateral view of aedeagus, holotype, scale = 1 mm.
Figures 8–14 in Three new tiger beetle species of the genus Prothyma Hope, 1838, subgenus Genoprothyma Rivalier, 1964 (Coleoptera: Cicindelidae) described from Myanmar. 152. Contribution towards the knowledge of the Cicindelidae
Figures 8–14. Prothyma (Genoprothyma) sotai, n. sp. 8) Habitus, holotype male, scale = 10 mm. 9–10. Labrum, scale = 1 mm. 9) Holotype male. 10) Paratype male. 11–13. Left elytron, scale = 2 mm. 11) Holotype male. 12) Paratype female. 13) Paratype female. 14) Left lateral view of aedeagus, holotype, scale = 1 mm.
Figures 1–7 in Three new tiger beetle species of the genus Prothyma Hope, 1838, subgenus Genoprothyma Rivalier, 1964 (Coleoptera: Cicindelidae) described from Myanmar. 152. Contribution towards the knowledge of the Cicindelidae
Figures 1–7. Prothyma (Genoprothyma) thandamoeae, n. sp. 1) Habitus, holotype male, scale = 10 mm. 2–3. Labrum, scale = 1 mm. 2) Holotype male. 6) Paratype female. 4–6. Left elytron, scale = 2 mm. 2) Holotype male. 3) Paratype male. 4) Paratype female. 7) Left lateral view of aedeagus, holotype, scale = 1 mm.
Figures 14–23 in Two new tiger beetle species (Coleoptera: Cicindelidae) from Myanmar and notes on another species. 151. Contribution towards the knowledge of the Cicindelidae
Figures 14–23. Cylindera (Ifasina) species. 14) Habitus, C. (I.) thitarooae new species, holotype male, scale = 5 mm. 15–18. Labrum, scale = 1 mm. 15) C. (I.) thitarooae new species, holotype male. 16) C. (I.) thitarooae new species, paratype female. 17) C. (I.) juergenwiesneri Naviaux, 1991, male. 18) C. (I.) juergenwiesneri Naviaux, 1991, female. 19–20. Left elytron, C. (I.) thitarooae new species, scale = 2 mm. 19) Holotype male. 20) Paratype female. 21–23. Left lateral view of aedeagus, scale = 1 mm. 21) C. (I.) thitarooae new species, holotype. 22) C. (I.) juergenwiesneri Naviaux, 1991. 23) C. (I.) sikhimensis (Mandl, 1982).
Figures 1–6. Jansenia phyuae, new species. 1 in Two new tiger beetle species (Coleoptera: Cicindelidae) from Myanmar and notes on another species. 151. Contribution towards the knowledge of the Cicindelidae
Figures 1–6. Jansenia phyuae, new species. 1) Habitus, holotype male, scale = 5 mm. 2–3. Labrum, scale = 1 mm. 2) Holotype male. 3) Paratype female. 4–5. Left elytron, scale = 2 mm. 4) Holotype male. 5) Paratype female. 6) Left lateral view of aedeagus, holotype, scale = 1 mm.
Figures 13–21. Naviauxella varians, new species. 13 in Records of tiger beetles (Coleoptera: Cicindelidae) collected in Cambodia, with description of a new species. 149. Contribution towards the knowledge of the Cicindelidae
Figures 13–21. Naviauxella varians, new species. 13) Habitus, paratype male, scale bar = 5 mm. 14) Left lateral view of aedeagus, paratype, scale bar = 1 mm. 15–16. Labrum, scale bar = 1 mm. 15) Paratype male. 16) Paratype female. 17–21. Left elytron, scale bar = 2 mm. 17) Paratype male. 18) Paratype female. 19) Paratype male. 20) Paratype male. 21) Paratype female.
Figures 1–6 in Thopeutica petertaylori, a new tiger beetle species (Coleoptera: Cicindelidae) from Mindanao, Philippines
Figures 1–6. Thopeutica (Thopeutica) petertaylori, new species. 1) Habitus, paratype female, scale = 5 mm. 2–3) Labrum, scale = 1 mm. 2) Paratype male. 3) Paratype female. 4–5) Right elytron, scale = 5 mm. 4) Paratype male. 5) Paratype female. 6) Left lateral view of aedeagus, paratype, scale = 2 mm.
Figures 3–13 in Cylindera (Conidera) mindoroana sp. n. (Coleoptera: Cicindelidae), a new tiger beetle species from the Philippines
Figures 3–13. Cylindera (Conidera). 3–4) Mandibles of C. mindoroana new species, a = apex, m = molar complex, t1–t4 = tooth 1–4 (see generic diagnosis). 3) Holotype male. 4) Paratype female. 5–7) Labrum and clypeus of males, setae omitted. 5) C. mindoroana new species. 6) C. conicollis (Schaum, 1862). 7) C. mandibularis (Schaum, 1860). 8–13) Left elytron. 8) C. mindoroana new species, male. 9) C. mindoroana new species, female. 10) C. conicollis (Schaum, 1862), male. 11) C. conicollis (Schaum, 1862), female. 12) C. mandibularis (Schaum, 1860), male. 13) C. mandibularis (Schaum, 1860), female.
Figures 1–2 in Cylindera (Conidera) mindoroana sp. n. (Coleoptera: Cicindelidae), a new tiger beetle species from the Philippines
Figures 1–2. Cylindera (Conidera) mindoroana new species, habitus pictures. 1) Holotype male. 2) Paratype female.
Figures 6-9 in A new genus and two new species of arctiine tiger moth (Noctuidae, Arctiinae, Arctiini) from Costa Rica
Figures 6-9. Structural features of Leichosila. 6. L. talamanca, uncus (dorsal view); 7. L. wagneri, uncus (dorsal view); 8. L. talamanca, juxta; 9. L. talamanca, antenna (segments 14 – 18), ventral view (setae and cilia omitted except on segment 14).
Data from: The effects of contig length and depth on the estimation of SNP frequencies, and the relative abundance of SNPs in protein-coding and non-coding transcripts of tiger salamanders (Ambystoma tigrinum)
BACKGROUND: Next-generation sequencing methods have contributed to rapid progress in the fields of genomics and population genetics. Using this high-throughput and cost-effective technology, a number of studies have estimated single nucleotide polymorphism (SNP) frequency by calculating the mean number of SNPs per unit sequence length (e.g., mean SNPs/kb). However, both read length and contig depth are highly variable and thus raise doubt about simple methods of SNP frequency estimation. RESULTS: We used 454 pyrosequencing to identify 2,980 putative SNPs in the eastern tiger salamander (Ambystoma tigrinum tigrinum) transcriptome, then constructed analytical models to estimate SNP frequency. The model which considered only contig length (i.e., the method employed in most published papers) was evaluated with very poor likelihood. Our most robust model considered read depth as well as contig length, and was 7.5 × 1055 times more likely than the length-only model. Using this novel modeling approach, we estimated SNP frequency in protein-coding (mRNA) and non-coding transcripts (e.g., small RNAs). We found little difference in SNP frequency in the contigs, but we found a trend of a higher frequency of SNPs in long contigs representing non-coding transcripts relative to protein-coding transcripts. These results support the hypothesis that long non-coding transcripts are less conserved than long protein-coding transcripts. CONCLUSIONS: A modeling approach (i.e., using multiple model construction and model selection approaches) can be a powerful tool for identifying selection on specific functional sequence groups by comparing the frequency and distribution of polymorphisms.
Data from: Dynamic visual cues induce jaw opening and closing by tiger beetles during pursuit of prey
In dynamic locomotory contexts, visual cues often trigger adaptive behaviour by the viewer, yet studies investigating how animals determine impending collisions typically employ either stationary viewers or objects. Here, we describe a dynamic situation of visually guided prey pursuit in which both impending prey contact and escape elicit observable adaptive behaviours in the pursuer, a predatory beetle. We investigated which visual cues may independently control opening and closing of the beetle's jaws during chases of prey dummies. Jaw opening and closing typically occur when prey is within the 60° binocular field, but not at specific distances, angular sizes or time-to-collision. We show that a sign change in the expansion rate of the target image precedes jaw opening (16 ms) and closing (35 ms), signalling to the beetle that it is gaining on the target or that the target is getting away. We discuss the 'sloppiness' of such variation in the lag of the behavioural response, especially jaw closing, as an adaptation to uncertainty about target position due to degradation of the target image by motion blur from the fast-running beetle.
Data from: Reconstruction of the cortical maps of the Tasmanian tiger and comparison to the Tasmanian devil
The last known Tasmanian tiger (Thylacinus cynocephalus)–aka the thylacine–died in 1936. Because its natural behavior was never scientifically documented, we are left to infer aspects of its behavior from museum specimens and historical recollections of bushmen. Recent advances in brain imaging have made it possible to scan postmortem specimens of a wide range of animals, even more than a decade old. Any thylacine brain, however, would be more than 100 years old. Here, we show that it is possible to reconstruct white matter tracts in two thylacine brains. For functional interpretation, we compare to the white matter reconstructions of the brains of two Tasmanian devils (Sarcophilus harrisii). We reconstructed the cortical projection zones of the basal ganglia and major thalamic nuclei. The basal ganglia reconstruction showed a more modularized pattern in the cortex of the thylacine, while the devil cortex was dominated by the putamen. Similarly, the thalamic projections had a more orderly topography in the thylacine than the devil. These results are consistent with theories of brain evolution suggesting that larger brains are more modularized. Functionally, the thylacine's brain may have had relatively more cortex devoted to planning and decision-making, which would be consistent with a predatory ecological niche versus the scavenging niche of the devil.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.