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2. Bird control spike - Wikipedia

   en.wikipedia.org/wiki/Bird_control_spike

   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 ...

3. Spur (zoology) - Wikipedia

   en.wikipedia.org/wiki/Spur_(zoology)

   In the black-necked screamer (Chauna chavaria) the spikes are oval in cross-section, but in the southern screamer (Chauna torquata) there is a sharp-edged keel along the spike's proximal edge, and in the horned screamer (Anhima cornuta) the spikes are triangular in cross-section with three sharp keels. [20]

4. Drag-reducing aerospike - Wikipedia

   en.wikipedia.org/wiki/Drag-reducing_aerospike

   Further development of this concept has resulted in the "air-spike". [1] This is formed by concentrated energy, either from an electric arc torch or a pulsed laser, projected forwards from the body, which produces a region of low density hot air ahead of the body.

5. Bird control - Wikipedia

   en.wikipedia.org/wiki/Bird_control

   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.

6. Shrike - Wikipedia

   en.wikipedia.org/wiki/Shrike

   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]

7. Egg Prices Spike Amid Nationwide Shortage: Here’s Why - AOL

   www.aol.com/finance/egg-prices-spike-amid...

   After a short break from bird flu outbreaks among commercial egg producers, HPAI returned in mid-October, wiping out 2.8 million birds. ... Prices Spike Just in Time for Baking Season.