connect: Find us on Facebook Follow us on Twitter Follow us on Instagram Follow us on YouTube Read about us on Trip Advisor

Migratory Pollinators Program

Table 2.
Data necessary for calculating the energetic cost of spring migration in a pregnant female lesser long-nosed bat.  Sources of data are cited in the text except as noted below.

Parameter                                                    Value
Fat-free wet mass                                         24.5 g
Fat deposited prior to migration                      ca. 3 g
Typical flight speed                                          40 kph
Resting metabolism*                                         2.0 ml O2 per g-h
Cost of flight relative to resting metabolism**        20X
Energy from one cactus flower visit                      0.45 kJ

McNab (1989).

** Winter and von Helversoen (1998).


   Top of Page   |   Previous Page
Translate this page: