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17 results for “Ninia”
Linked collectors and determiners for: A new species of Ninia (Serpentes: Dipsadidae) from Chocó-Magdalena biogeographical province, western Colombia.
Natural history specimen data linked to collectors and determiners held within, "A new species of Ninia (Serpentes: Dipsadidae) from Chocó-Magdalena biogeographical province, western Colombia". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/f5d4b2d7-0060-40c8-a527-09111ea2c286">https://bionomia.net/dataset/f5d4b2d7-0060-40c8-a527-09111ea2c286</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/f5d4b2d7-0060-40c8-a527-09111ea2c286">https://gbif.org/dataset/f5d4b2d7-0060-40c8-a527-09111ea2c286</a>. Formatted as a Frictionless Data package.
Figure 6. Feeding variation during ENSO phenomenon. a in Life is uncertainı eat dessert first: feeding ecology and prey-predator interactions of the coffee snake Ninia atrata
Figure 6. Feeding variation during ENSO phenomenon. a) Linear regression models that relate the number of snakes with stomach content and prey abundance at microhabitats per sampling visit (n = 32). b) t-Test comparing the abundance of snakes with stomach content (n = 314) between good and bad climate years. Box represents the interquartile range, the line across the box indicates the median, the minimal and maximal values are provided with the whiskers.
Figure 4 in Life is uncertainı eat dessert first: feeding ecology and prey-predator interactions of the coffee snake Ninia atrata
Figure 4. Patterns of food intake, fat storage, and body size between sexes. a) The density of individuals with stomach contents tends to increase constantly with the increment of the body size in males. In contrast, the number of females with stomach contents start to grow nearly when their reached size of sexual maturity (>270 mm), before it, females maintain almost the same number of individuals with stomach contents despite their increase in body size (n = 264). b) Fat body area increase with the increment of the body size, being higher in females than males (n = 170). Redline depicts sexual maturity size in females.
Figure 3 in Life is uncertainı eat dessert first: feeding ecology and prey-predator interactions of the coffee snake Ninia atrata
Figure 3. Sexual dimorphism of Ninia atrata. a) Linear regression model of weight versus snout-vent length (SVL) depicting no-significative differences between sexes (n = 425). b) ANCOVA analysis depicting that males have longer heads than females in relation to their weight (n = 170).
Figure 1 in Life is uncertainı eat dessert first: feeding ecology and prey-predator interactions of the coffee snake Ninia atrata
Figure 1. Study area. Oil palm plantation (Elaeis guineensis Jacq 1897) of PALMASOL S.A. Red polygons represent the production batches sampled. Snakes collected from batches 8, 9 and 15 were fixed to perform dissections of their digestive tracts. Snakes from the Batch 13 were employed in the mark-recapture experiments.
FIGURE 5 in A new species of Ninia (Serpentes: Dipsadidae) from Chocó-Magdalena biogeographical province, western Colombia
FIGURE 5. Hemipenial morphology of Ninia teresitae (ICN 12527—A) from municipality of Tumaco, Km 28 of the Tumaco–Llorente road, 1 km south of Tumaco, department of Nariño, Colombia; and Ninia atrata (ICN 12529—B) from municipality of San Martin, Vereda La Castañeda, Palmas del Meta S.A, department of Meta, Colombia. The white arrow represents the pocket-shaped structure, whereas the black arrow represents the lateral projection with a large basal hook-shaped spine.
FIGURE 1 in A new species of Ninia (Serpentes: Dipsadidae) from Chocó-Magdalena biogeographical province, western Colombia
FIGURE 1. Multidimensional scaling test of the cephalic morphometry among Ninia atrata (black squares) and N. teresita (pink dots): Inner ellipse represents 0.5 of significance; outer ellipse represents 0.95 of significance. Cephalic measurements: (A) head length; (B) head width; (C) parietal length; (D) parietal width; (F) frontal length; (G) frontal width; (H) prefrontal length; (I) prefrontal width; (J) internasal length; (K) internasal width; (L) supraocular length; (M) supraocular height; (N) loreal height (O) loreal length; (P) internasal suture length; (Q) prefrontal suture length; (R) parietal suture length.
FIGURE 2 in A new species of Ninia (Serpentes: Dipsadidae) from Chocó-Magdalena biogeographical province, western Colombia
FIGURE 2. General view of the holotype (ICN 12527) of Ninia teresitae sp. nov, in life (A), dorsal (B) and ventral (C) views after its preservation.
FIGURE 3 in A new species of Ninia (Serpentes: Dipsadidae) from Chocó-Magdalena biogeographical province, western Colombia
FIGURE 3. Color pattern variation of ventral surface at midbody among similar species of Ninia. Ventral pattern homogenously cream in Ninia atrata (ICN 12530 ˗ A), edged of the ventral scales uniformly black or dark brown with ventral scales heavily marked with black pigment in N. teresitae (ICN 12527 ˗ B), squarish marking in Ninia maculata (UTA-R 5400 ˗ C), and wedge-shaped in Ninia pavimentata (UTA-R 39508 ˗ D).
FIGURE 4 in A new species of Ninia (Serpentes: Dipsadidae) from Chocó-Magdalena biogeographical province, western Colombia
FIGURE 4. Color pattern variation in ventral surfaces of head and gular region of Ninia atrata (A) and in Ninia teresitae (B).
FIGURE 6 in A new species of Ninia (Serpentes: Dipsadidae) from Chocó-Magdalena biogeographical province, western Colombia
FIGURE 6. Geographical distribution of Ninia atrata and Ninia teresitae in Colombia.
Supplementary material 2 from: Arteaga A, Harris KJ (2023) A new species of Ninia (Serpentes, Colubridae) from western Ecuador and revalidation of N. schmidti. Evolutionary Systematics 7(2): 317-334. https://doi.org/10.3897/evolsyst.7.112476
GenBank accession numbers
Supplementary material 1 from: Arteaga A, Harris KJ (2023) A new species of Ninia (Serpentes, Colubridae) from western Ecuador and revalidation of N. schmidti. Evolutionary Systematics 7(2): 317-334. https://doi.org/10.3897/evolsyst.7.112476
Morphological and locality data
Supplementary material 3 from: Arteaga A, Harris KJ (2023) A new species of Ninia (Serpentes, Colubridae) from western Ecuador and revalidation of N. schmidti. Evolutionary Systematics 7(2): 317-334. https://doi.org/10.3897/evolsyst.7.112476
Locality data used to create distribution maps
Figure 5 in Life is uncertainı eat dessert first: feeding ecology and prey-predator interactions of the coffee snake Ninia atrata
Figure 5. Climatic variability of Body Condition Index (BCI). a) Boxplot showing BCI as the residual value of mass predicted from a linear regression of log-transformed body mass versus logtransformed body length summarised by month on the entire sampling period (n = 425). Box represents the interquartile range, the line across the box indicates the median, the minimal and maximal values are provided with the whiskers. b) Time series showing BCI monthly variability through the good (without ENSO effects) and bad (under ENSO effects) years. The shaded area represents 95% confidence intervals. The solid line represents BCI median value. Zigzag lines represent the residual values at each sampling visit.
Figure 7 in Life is uncertainı eat dessert first: feeding ecology and prey-predator interactions of the coffee snake Ninia atrata
Figure 7. Multiple regression models. Top: chart depicting the 'best' regression models that explains the abundance variability of Ninia atrata observed (n = 425) during the sampling visits (n = 32). Bottom: barplot illustrating the individual contributions of the variables selected. Dependent variable: Ln–transformed abundance of Ninia atrata (LNN) Independent variables. Ln-transformed snail abundance (LNVar3), Ln–transformed leech abundance (LNVar6), and Ln–transformed height of palm leaf piles (LNVar8).
Figure 2. Prey preference and stomach content states. a in Life is uncertainı eat dessert first: feeding ecology and prey-predator interactions of the coffee snake Ninia atrata
Figure 2. Prey preference and stomach content states. a) Percentage of prey-items in the stomach content and available in the environment. b) stomach contents categories.
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