Table 1 Summary of intrinsic variables in the adult shags sampled

From: Helminth burden and ecological factors associated with alterations in wild host gastrointestinal microbiota

Variable

Individuals

Total=40

Females=18

Male=22

Mass (g)

Min=1460

Max=2130

Mean=1791.7±178.5 (s.d.)

Age (years)

Min=3

Max=17

Mean=7.8±4.3 (s.d.)

Number of chicks fledgeda

Min=1

Max=3

Mean=2.25±0.67

Phenologyb

23 early

17 late

 

Nematode counts

Min=3

Max=45

Mean=24.8±11.7 (s.d.)

  1. aTotal number of chicks fledged per bird—a measure of breeding success.
  2. bBrood hatched at a date, before (early) or after (late) the median hatch date for the colony.