10,000 Birds

APRIL 3, 2023

Such programs are somewhat inefficient anyway – in one study , the breeding success of wild male pheasants was 2-5 times higher than for hand-reared and released ones while for females, hand-reared birds were 3 times as vulnerable to predation as the wild ones. Wait, the study was not done with people but with Eurasian Siskins.

Birds 186

Birds Blackbirds Indonesia Bhutan 186

10,000 Birds

JUNE 9, 2022

If I was an ornithologist aiming for a grant, I would now definitely highlight the need for more research on this topic. … Nest dismantling by the Hair-crested Drongo may be an adaptive behavior to increase fitness by reducing risk of future predation and competition for nest sites in the following breeding season” ( source ).

Singapore 147

Singapore Birds Mountain Goats Giraffes 147

10,000 Birds

OCTOBER 2, 2018

Brewer’s Blackbirds often joined the hordes of Red-winged Blackbirds flitting in and out of the taller grasses and few shrubs. Since 1966, when the Breeding Bird Survey first began monitoring, numbers have declined 79 percent.

North Dakota 134

North Dakota Birds Sparrows Blackbirds 134