29
Acta zoológica lilloana 62 (2): 24–30, 7 de diciembre 2018
A greater proportion of individuals (of
both sexes) was recorded in the rainy season
(Table 1), possibly responding to a greater
availability of resources (Lim and Engstron,
2001; Stoner, 2005; Pereira et al., 2010).
However, the weight does not seem to have
responded to this variable, with which,
Pereira et al. (2010) suggest that a seasonal
variation in fruit availability does not nec-
essarily imply that this resource is limiting
for frugivorous bats during part of the year.
This can be abundant throughout the year,
and during the fruiting peak there may be a
surplus of food that is not consumed.
Moreover, the greater abundance of lac-
tating females during the rainy season is con-
sistent with what was recorded in Cloutier
and Thomas (1992), indicating that the re-
productive periods in the forests of Panama
and Costa Rica may be similar to those of
the Amazon. Likewise, Mello et al. (2004),
in the Atlantic forest in Brazil, found that
fruit production and temperature are very
important variables in the reproduction of
the species.
The percentage of illuminated phase of
the Moon had a great influence on the cap-
tures, as has already been found by other au-
thors (Esbérard, 2007, Saldaña-Vázquez and
Munguía-Rosas, 2012), responding to a phe-
nomenon known as «moon phobia», where-
as, due to the fact that the temperature did
not show such a marked variation (on the
days of capture of the study, see Figure 5)
and no data were available of temperature
for all sampling days it cannot be concluded
that there is no correlation between this vari-
able and the catches. In a study conducted
by Mello et al. (2009) in the Sturnira lilium
species, found that the temperature has a
strong influence on the catches and repro-
ductive cycles of the species, in the Atlantic
forest in Brazil. It is necessary to carry out
a more prolonged study (month to month)
for C. perspicillata, relating the catches with
temperature data so that a more solid con-
clusion is reached, refuting or confirming the
data found in this studio.
ACKNO W LEDGMEN T S
I am grateful to the National Institute of
Amazonian Research (INPA), Manaus (Bra-
zil) for the data provided for the study, as
well as to the National Council for Scien-
tific and Technological Development (CNPq)
for the granting of the scholarship for the
completion of the master’s degree, and to
the Federal University of Mato Grosso do
Sul, Campo Grande (Brazil). Furthermore,
l would like to thank A. F. Eriksson for the
photos of the specimen.
FUNDI N G
The work was conceived thanks to the
data provided by the National Institute of
Amazonian Research (INPA) and the grant
given by the National Council for Scientific
and Technological Development (CNPq) pro-
cess: 131544 / 2016-0.
PARTI C IPATION
The only author of the paper, Adrián
Alonso Durán, made the entire study.
CONFL I CTS OF INTE R EST
The author guarantees that there is no
conflict of interest of any kind
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