Effects of preservation on wing morphometry of the little brown bat (<i>Myotis lucifugus</i>)

Bininda‐Emonds, Olaf R. P.; Russell, Anthony P.

doi:10.1111/j.1469-7998.1993.tb02678.x

Cited by 3 publications

(11 citation statements)

References 23 publications

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“…However, the bats were measured alive, rather than as preserved specimens, to minimise fixation as a source of variation (Bininda-Emonds and Russell 1993), and so that they could be banded and released for subsequent field study. Thus, adhesive packaging tape, rather than pins, was used to restrain the extended bat's wings and tail membrane while they were being outlined on paper.…”

Section: Flight Morphologymentioning

confidence: 99%

Correspondence Between Plight Morphology and Foraging Ecology in Some Palaeotropical Bats

McKenzie¹,

Gunnell²,

Yani³

et al. 1995

Aust. J. Zool.

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Analysis revealed a tight, functionally appropriate relationship between the flight morphology and foraging ecology of bats on Lombok I., Indonesia, that crossed family-level phylogenetic relationships in some instances.While aspect ratio, wing loading and tip shape were all important in separating microbat foraging strategies on Lombok I., the megabats were arrayed on differences in wing loading and tip shape related to solitary versus colonial foraging strategies. Flight morphology is a useful tool for studying ecological structure in the organisation of megabat as well as microbat communities.

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Section: Flight Morphologymentioning

confidence: 99%

Correspondence Between Plight Morphology and Foraging Ecology in Some Palaeotropical Bats

McKenzie¹,

Gunnell²,

Yani³

et al. 1995

Aust. J. Zool.

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“…However, the process of chemical infiltration often produces changes in the size and shape of the preserved tissues, and a wealth of preservation artifacts have been documented in the morphological and histological literature (Parker, ; Hopwood, ; Kirkeby & Moe, ; Steedman, ; Fowler & Smith, ; Fox et al. ; Leslie & Moore, ; Kruse & Dalley, ; Bininda‐Emonds & Russell, , ; Lasenby et al. ; Takizawa et al.…”

Section: Introductionmentioning

confidence: 99%

“…Preservation artifacts, ubiquitous though they are, are generally reported to be relatively small. For two‐dimensional measures, shrinkage due to preservation in formalin or ethanol is predominantly reported to be within 0–5% of the original dimensions (Parker, ; Leslie & Moore, ; Bininda‐Emonds & Russell, , ; Fox, ; Shields & Carlson, ; Fey & Hare, ; Gagliano et al. ; Thorstad et al.…”

Section: Introductionmentioning

confidence: 99%

“…). Centralization of a large number of species reduces the research costs associated with travel, collection, and private curation (Suarez & Tsutsui, ; Rainbow, ), so it is perhaps unsurprising to find that, in addition to the taxonomists and biodiversity specialists that traditionally call upon these collections, morphologists are increasingly interested in their sampling potential (Bininda‐Emonds & Russell, ; Vervust et al. ; Hughes et al.…”

Section: Introductionmentioning

confidence: 99%

“…; Jeyakumar et al. ; Hedrick, 2018) , but composite tissues experience small, predictable changes in dimensions that may be mitigated through extension of joints during preservation (Bininda‐Emonds & Russell, , ; Kansu et al. ).…”

Section: Introductionmentioning

confidence: 99%

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Longitudinal study of rat volar fat pad fixation and ethanol storage: implications for the use of fluid‐preserved specimens in morphological studies

Kingston

2018

Journal of Anatomy

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Museum fluid collections preserve important biological specimens for study. Tissues are often fixed in 10% buffered formalin to halt metabolic activities and transferred to a solution of ethanol for long‐term storage. This process, however, forces water from the tissues and has been shown to alter the morphology of preserved specimens in ways that may influence the biological interpretation of results. The degree to which fluid preservation alters morphology is linked to multiple biological factors, such as tissue size and composition, and should therefore be examined prior to functional analysis. This study is undertaken as part of a more inclusive examination of mammalian volar morphology. A sample of five adult male and five adult female rats (Rattus norvegicus) was utilized to evaluate longitudinal changes in the dimensions of the volar pads across fixation in 10% buffered formalin and preservation in 70% ethanol for 1 year. No significant changes to the measured dimensions of the rat volar pads were present across stages of fixation and preservation, and no significant interactions of specimen size or sex were noted. These findings indicate that small mammalian volar pads that have been fixed in 10% buffered formalin and stored in 70% ethanol are appropriate for morphological study using the measurements described here without corrective algorithms. This finding is rare among preservation studies but highlights the variability of tissue behavior during chemical preservation and the necessity of preliminary investigations of preservation artifacts. Concurrence here between the preserved and unpreserved samples is likely related to the anhydrous nature of the volar pads and the supporting skeletal structure, and their confined position between major joints of the hands and feet.

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Flight style in bats as predicted from wing morphometry: the effects of specimen preservation

Bininda‐Emonds

Russell

1994

Journal of Zoology

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An as yet unconsidered potential error in studies that predict flight style from morphological measurements of bats is the effect of the specimen type employed. On the basis of the finding that morphological measurements taken from fluid‐preserved bat specimens may not yield values equivalent to those taken from the live animal, we compared the values of several variables (lifting surface area, wingspan, mass, aspect ratio, wing loading and minimum power speed) for live and fluid‐preserved little brown bats (Myotis lucifugus) with the accepted standards for this species given by Norberg & Rayner (1987). Significant differences were detected for lifting surface area, wingspan, mass, aspect ratio and wing loading values taken from live bats and their respective values reported by Norberg & Rayner. Differences between preserved bats and Norberg & Rayner's numbers were limited to lifting surface area and wingspan (extended wing positions only), aspect ratio (all wing positions), and mass (both 70% ethanol‐ and 45% isopropyl alcohol‐preserved specimens). Thus, Norberg & Rayner's values correspond most closely to values obtained from preserved museum specimens, a fact reflecting the source of their data in this instance. This and other limitations involved in attempting to predict the flight style of bats from a few morphological characters are discussed.

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Effects of preservation on wing morphometry of the little brown bat (Myotis lucifugus)

Cited by 3 publications

References 23 publications

Correspondence Between Plight Morphology and Foraging Ecology in Some Palaeotropical Bats

Correspondence Between Plight Morphology and Foraging Ecology in Some Palaeotropical Bats

Longitudinal study of rat volar fat pad fixation and ethanol storage: implications for the use of fluid‐preserved specimens in morphological studies

Flight style in bats as predicted from wing morphometry: the effects of specimen preservation

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