Sentence examples for chick stage from inspiring English sources
The ruff can breed from its second year, and the average lifespan for birds that have passed the chick stage is about 4.4 years, although a Finnish bird lived to a record 13 years and 11 months.
For instance, many avian monitoring studies cannot identify a pair's identity before the parent's capture at the chick stage.
We separately modeled two response variables: foraging trip-durations made during the incubation and early chick stages.
Multilevel mixed models revealed only weak variation at the cohort-level in either response variable; hatching success and fledging success accounted for none or less than 2% of the total variation in trip-durations made during the incubation and early chick stages, respectively.
Juvenile survival was directly estimated during the chick stages (June through August) and both species had similar rates with a mean of 0.52-0.55 over this period [ 15, 20].
To exclude this, we performed Q-PCR on 2 stages of finch embryos; at oviposition and aged to the equivalent of the chick ovipositional stage, EGK-X.
The chick guard stage describes the period of breeding during which one of the adult birds is permanently present at the nest after chicks have hatched.
The fourth bird could not be recaptured as the bird entered the post-guard chick-rearing stage of breeding during the 3 4 day deployment; during this stage albatrosses visit the nest only briefly (normally for less than 10 min).
We have previously shown that the complex 3D shape of the knee joint emerges following the initiation of muscle contractions, between chick embryonic stages Hamburger and Hamilton (HH 28 and HH34 [5].
Their annual reproductive cycle is marked by several phases: during incubation and early chick rearing stages Laysan albatrosses are central-place foragers, but later, when they are less constrained by nest visitations, Laysan albatrosses forage throughout the North Pacific [8], [11] [13].
