Atgriezusies mamma YRK un baro bērnu.

9.08
YRK


9.09
Mazulītis var droši čučēt


Sharyn Broni (Ranger, DOC)
Cats and Rabbits at Taiaroa Head.
As introduced mammals in a Nature Reserve, neither cats or rabbits are ideal although maybe entertaining to watch.
Although the toroa chicks look very vulnerable in the early post guard stage the reality is that the vast majority of attacks by predators such as cats, ferrets and stoats occur while the chick is still in the guard stage.
Albatross have evolved without mammalian predators so are unaware of the dangers. During the later stage of the guard stage the chicks head is typically visible from outside of the nest as the chick is now too large to be fully covered. For stoats, in particular, this is the area that they will attack.
Recent research shows that cats are less interested in smells that they do not usually associate with food. For example, most albatross scent they encounter has flown away so not available to them.
The chicks are heavier than they look and for most cats, too big to take on. We do prefer not to have cats around the chicks in the post guard stage as they can make the chicks nervous. This in turn makes them difficult to handle, and for a chick that needs supplementary feeding this can be a major issue.
Our trapping of predators is ongoing and we have recently been upgrading our equipment.
Rabbits are a separate issue and although they pose no direct threat, the resulting decimation of the grass and erosion in areas of too many burrows and digging is mostly definitely an issue. Entrapment of albatross has occurred in the past in rabbit burrows.
Rabbits also compete for space with the little penguins and the sooty shearwaters.
Unlike the mammalian predators, major rabbit control work only occurs during the winter months.
Although Predator Free Dunedin are not working on cats and rabbits the wider stoat control is a bonus to us. There is more information about their work here:https://www.predatorfreedunedin.org/
Tie arī ir mūsu strazdi. Jaunzēlandē ievesti 1862. gadā. Līdzīgu sugu tur nav. Tā kā Jaunzēlandē vasara iet uz beigām, putni ir pēcriesta tērpā.
Paldies par komentāru.roosaluristaja wrote: ↑10 Mar 2022 13:01 Tie arī ir mūsu strazdi. Jaunzēlandē ievesti 1862. gadā. Līdzīgu sugu tur nav. Tā kā Jaunzēlandē vasara iet uz beigām, putni ir pēcriesta tērpā.
Īsa informācija par mājas strazdiem Jaunzēlandē. https://nzbirdsonline.org.nz/species/common-starling
Paldies,Sassa