Abbreviations

asl

above sea level

BP

before present

COH

coumarin-7-hydroxylase

COX

cytochrome-c oxidase

CRI

control region 1

CYP

cytocrome P450 enzyme superfamily (CYP1A, CYP2B etc.)

EE

excretory energy

EROD

7-ethoxyresorufin-0-deethylase

FG

fast-glycolytic fibres

FOG

fast-oxidative-glycolytic fibres

GE

gross energy

GI

gastrointestinal

Hb

haemoglobin

Hcr

haematocrit

ME

metabolisable energy

MEC

metabolisable energy coefficient (or assimilation efficiency)

mtDNA

mitochondrial DNA

Myr

million years

P1–P10

primary wing feathers

PCR

polymerase chain reaction

PROD

7-pentoxyresorufin-0-deethylase

tRNA

transfer ribonucleic acid

T3

triiodothyronine

T4

thyroxine