Cavity nest entrance shield

Details Cavity nest entrance shield Cavity nest entrance shield

1998-04-07

1999-08-24

Carone, Michael J.

Animal husbandry

Confining or housing

Birdhouse

A01K 3100

Patent

active

059411945

ABSTRACT:
The invention comprises a structure that affixes over the entrance hole of an avian cavity nest and serves to discriminate between prospective nesting birds by virtue of having the entry diverted to a vertical entranceway with the access on the lower end. The prospective bird must pass up through the structure to gain access to the entrance hole of the nest cavity.

REFERENCES:
patent: 1130095 (1915-03-01), McIntyre
patent: 1185345 (1916-05-01), Reiber
patent: 1209979 (1916-12-01), Larson
patent: 1994208 (1935-03-01), Brown
patent: 3244148 (1966-04-01), Long
patent: 4506629 (1985-03-01), Cross
patent: 4889075 (1989-12-01), Byrns
patent: 5228410 (1993-07-01), Parker

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