Pal-Mates … weekend web tip
Z is for Z chromosome. Birds’ sex chromosomes are Z and W, compared to humans who have X and Y sex chromosomes. The egg determines the sex of the offspring
10th June 2022
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Z is for Z chromosome. Birds’ sex chromosomes are Z and W, compared to humans who have X and Y sex chromosomes. The egg determines the sex of the offspring
Pal -Mates …weekend web tip Y s for Yellow Belly and Yap Yap Yap!. The colour genetics of the Yellow Belly Call are not fully investigated, but these delightful little
X is for Xanthophyll. Yes it’s a bit of a mouthful, but this is the pigment responsible for the yellow colour in egg yolks, and some of the yellows in
W is for wild, introduced or domestic? When we talk about wild waterfowl in Britain, we usually mean the birds ‘ordinarily resident’ here, in their wild colour and form. Some,
V is for vitelline membrane. This is a gossamer-fine, multi layered, protein membrane separating the yolk from the white (albumen) in the egg. The fine twisted cord seen in the
U is for underwater. All may be serene on the surface, but there’s lots going on below. Some birds prefer to stay topsides, but others spend time undewater foraging
T is for Territory. In the breeding season, waterfowl can become aggressive. Particularly when defending a nesting territory or hatchlings. If you are planning a new addition to your pond,
S is for substrate. Some waterfowl pull nesting material down from surrounding vegetation, crafting a beautiful nest. They might pull in straw from nearby if it takes their fancy.
R is for repair and restore. The double brooding tanks that many of us use can get chips and little voids in the gel-coat (the shiny inside surface) over time.
Q is for Quill. The bare part of the central shaft of a feather, nearest to the body. As the true feathers start to grow in youngsters, the feather
P is for Prolapse. At this time of year breeding is uppermost in bird thoughts. Not all birds have a penis, or intromittent organ, but ducks do. The male sex
Animals in general can contribute several benefits to humans. Pets of many kinds may help lower stress, loneliness, and anxiety. They may even encourage their owners to exercise and live
The BWA offers members a wide range of services and facilities to help you get more enjoyment from waterfowl.
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