Discover and read the best of Twitter Threads about #birding

Most recents (2)

It is the N. American songbird breeding season, AKA time for my annual #bird & #birding PSA:

Don’t kill #cowbird brood parasite eggs/nestlings! It is illegal and likely doing more harm to your birds than good. How? Behold, a mega-thread: 1/37

[all media mine unless indicated] One blue Dickcissel and one speckled cowbird egg in a nest
Before I start, know I’m going to be citing lots of academic articles that are likely behind a paywall. If you want to know more about the articles and can’t access them please DM me! Science should be available to everyone, but that is an argument for another time. 2/37
The Brown-headed Cowbird! A sharp-looking blackbird from North and Central America. Males have black bodies and chocolate-brown heads. Females are sleek and brown. They make fun bubbly noises. 3/37 allaboutbirds.org/guide/Brown-he…
Read 38 tweets
Stoked to announce @ZooKeys_Journal published our @BatumiRaptors data paper! It explains how our #citizenscience project monitors the autumn #migration of >1.000.000 #raptors in the Eastern Black Sea Flyway, and how to use our #openaccess data @GBIF/@NLBIF! - 1/n

#ornithology
Many #raptors migrate primarily by thermal #soaring. To do so they travel by day and avoid high mtns and open sea. This leads to spectacular raptor aggregations in overland #flyways. One of the world´s largest raptor flyways occurs along the eastern Black Sea coast in SW Georgia.
The Eastern Black Sea Flyway has its narrowest point just north of #Batumi, where the coast and Lesser Caucasus form a clear "bottleneck". The mtns are not extremely high but present a significant barrier for #raptors on #migration due to low and dense cloud cover. @BatumiRaptors
Read 21 tweets

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