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Bird control spikes on a roof in Denmark. A bird control spike, also known as an anti-roosting spike, [1] pigeon spike, or roost modification, is a device consisting of long, needle-like rods used for bird control. Bird control spikes can be attached to building ledges, street lighting, and commercial signage to prevent wild or feral birds from ...
Spikes against birds on information panel and camera system in The Hague Central Station, The Netherlands, 2024. Physical bird deterrents include steel or plastic spike systems, bird netting, [5] electrified wire systems, non-electrified wire systems, electrified track systems, slope barriers, mechanical spiders, chemical foggers and more.
The bird waits 1–2 days for the toxins within the grasshopper to degrade before eating it. [12] A Sardinian warbler impaled by a shrike in Italy; shrikes sometimes use man-made spikes, such as barbed wire, in place of thorns. Loggerhead shrikes kill vertebrates by using their beaks to grab or pierce the neck and violently shake their prey. [13]
In North America, this and the related loggerhead shrike are commonly known as butcherbirds for their habit of impaling prey on thorns or spikes. [5] A folk name from Michigan is winter butcherbird. [6] The Vuntut Gwitchin First Nation people of Old Crow, Yukon call it Tzi kwut go katshi lyi. [7] As a passerine, or song bird, it has no talons.
The spread of bird flu among poultry flocks in the U.S. is also causing a spike in egg prices. As of Jan. 6, the virus had hit more than 138 million poultry across 50 U.S. states since January ...
The fifth toe is lost completely except in some birds where it has become a spur. A number of birds have spurs on their feet or legs, usually formed from the lower portion of the tarsometatarsus bone. Best known are the spurs on chicken, though most galliform birds bear spurs. The spurs are mostly found in males, and used in mating competition ...