… rics, such as the encephalization quotient, which are frequently … reptiles and birds, circumvent
the additional costs known to be … to depend on the trade-off between performance with one …

… From an evolutionary perspective, we can hypothesize how this ability to differentially …
shunted to the brain at rest, previous estimates of average relative energy consumption rates of …

… We tested two distinct hypotheses for how endocranial … will be reduced to lessen the costs
of growing and maintaining a … 57 compared to birds living at lower altitudes, but birds are more …

… in turn could be sustained by increased metabolic rates. The … This chapter will close with
the aims and hypotheses of this … whether birds have a similar neuronal energy budget as …

… rics, such as the encephalization quotient, which are frequently … reptiles and birds, circumvent
the additional costs known to be … to depend on the trade-off between performance with one …

… investments in brain size (encephalization quotient: EQ) and … resulting in a stronger trade-off
with other developing organs … to grow but not maintain or weapons are not equally costly …

… The energy trade-off hypothesis suggests that increases in brain size are associated with …
2006 Costs of encephalization: the energy trade-off hypothesis tested on birds.J. Hum. …

… the hypotheses explaining encephalization, including the ET … ET hypothesis, it does not
predict the brain-gut trade-off and … not hamper the elaborate cognitive skills of this bird species. …

… As intestinal tissue is energetically costly to maintain, the … We hypothesized that a distinct
division of parental effort during … We tested the effect of the sex and overall body size (OBS) of …

… do not exhibit the predicted trade-off between brain size and … size and investment into costly
life-history traits. In order to … in carefully selected mammal and bird systems in which there …